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Finding the Fourth Proportional to 317,588.58, 476,371.53 and 80,929.26

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Solution

The fourth proportional to 317,588.58, 476,371.53 and 80,929.26 is: 121,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,588.58 : 476,371.53 = 80,929.26 : x
  2. Step 2: Convert to fraction form
    317,588.58/476,371.53 = 80,929.26/x
  3. Step 3: Cross multiply
    317,588.58x = 476,371.53 × 80,929.26
  4. Step 4: Simplify right side
    317,588.58x = 38,552,395,407.97
  5. Step 5: Solve for x
    x = 38,552,395,407.97/317,588.58
  6. Step 6: Final answer
    x = 121,391.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.