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Finding the Fourth Proportional to 337,472.20, 506,281.20 and 100,838.80

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Solution

The fourth proportional to 337,472.20, 506,281.20 and 100,838.80 is: 151,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,472.20 : 506,281.20 = 100,838.80 : x
  2. Step 2: Convert to fraction form
    337,472.20/506,281.20 = 100,838.80/x
  3. Step 3: Cross multiply
    337,472.20x = 506,281.20 × 100,838.80
  4. Step 4: Simplify right side
    337,472.20x = 51,052,788,670.56
  5. Step 5: Solve for x
    x = 51,052,788,670.56/337,472.20
  6. Step 6: Final answer
    x = 151,279.98

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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.