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.

Example Input: [-78.083, 47.943, -80.073]
Example Output: [ 0.708 -0.435  0.727]

Example Input: [-19.19, 16.875, 89.701, 183.842, 177.318, 143.688, 248.552, 198.75]
Example Output: [-0.018  0.016  0.086  0.177  0.171  0.138  0.239  0.191]

Example Input: [125.67, 209.221, 179.885, 205.057, -32.864, -27.683, 159.048]
Example Output:
[ 0.154  0.256  0.22   0.251 -0.04  -0.034  0.194]