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Finding the Fourth Proportional to 466,344.53, 699,517.91 and 129,403.26

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Solution

The fourth proportional to 466,344.53, 699,517.91 and 129,403.26 is: 194,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,344.53 : 699,517.91 = 129,403.26 : x
  2. Step 2: Convert to fraction form
    466,344.53/699,517.91 = 129,403.26/x
  3. Step 3: Cross multiply
    466,344.53x = 699,517.91 × 129,403.26
  4. Step 4: Simplify right side
    466,344.53x = 90,519,897,982.39
  5. Step 5: Solve for x
    x = 90,519,897,982.39/466,344.53
  6. Step 6: Final answer
    x = 194,105.20

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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.