What is the seventh term in the addition pattern that begins 17, 32, 47, 62? what is the seventh term in the addition pattern that begins 17, 32, 47, 62? what is the seventh term in the addition pattern that begins 17, 32, 47, 62?

First find the pattern. Start from the right and do 62-47, this equals 15, them do 47-32, this also equals 15, continue to the end to be sure that the common difference is 15.
Now we know what to add to get the 7th term.
17, 32, 47, 62, 77, 92, 107,

The answer is 326.78.