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Finding the Fourth Proportional to 337,717.92, 506,751.28 and 148,311.20

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Solution

The fourth proportional to 337,717.92, 506,751.28 and 148,311.20 is: 222,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,717.92 : 506,751.28 = 148,311.20 : x
  2. Step 2: Convert to fraction form
    337,717.92/506,751.28 = 148,311.20/x
  3. Step 3: Cross multiply
    337,717.92x = 506,751.28 × 148,311.20
  4. Step 4: Simplify right side
    337,717.92x = 75,156,890,438.34
  5. Step 5: Solve for x
    x = 75,156,890,438.34/337,717.92
  6. Step 6: Final answer
    x = 222,543.39

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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.