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.
[53.694, -85.071, -93.42, -14.004, 139.613, 212.922, 59.656, 45.26, 34.248, 242.402]