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: [217.261, -33.301, -40.84, 177.45, 59.916, 48.042]
Example Output: [ 0.507 -0.078 -0.095  0.414  0.14   0.112]

Example Input: [7.815, -18.675, -80.473, 178.265, 227.153, -67.161]
Example Output: [ 0.032 -0.076 -0.326  0.722  0.92  -0.272]

Example Input: [167.548, 217.026, 192.21, -22.591, 114.108, 211.036, 20.098, 82.346, 134.284]
Example Output:
[ 0.15   0.194  0.172 -0.02   0.102  0.189  0.018  0.074  0.12 ]