In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

[89.12, 200.622, 199.5, 147.178, 138.65, 199.972, 12.439]
[0.09  0.203 0.202 0.149 0.14  0.203 0.013]