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Finding the Fourth Proportional to 629,691.67, 944,259.40 and 180,310.42

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Solution

The fourth proportional to 629,691.67, 944,259.40 and 180,310.42 is: 270,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,691.67 : 944,259.40 = 180,310.42 : x
  2. Step 2: Convert to fraction form
    629,691.67/944,259.40 = 180,310.42/x
  3. Step 3: Cross multiply
    629,691.67x = 944,259.40 × 180,310.42
  4. Step 4: Simplify right side
    629,691.67x = 170,259,809,002.95
  5. Step 5: Solve for x
    x = 170,259,809,002.95/629,691.67
  6. Step 6: Final answer
    x = 270,386.00

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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.