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Finding the Fourth Proportional to 337,877.46, 506,815.79 and 155,489.90

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Solution

The fourth proportional to 337,877.46, 506,815.79 and 155,489.90 is: 233,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,877.46 : 506,815.79 = 155,489.90 : x
  2. Step 2: Convert to fraction form
    337,877.46/506,815.79 = 155,489.90/x
  3. Step 3: Cross multiply
    337,877.46x = 506,815.79 × 155,489.90
  4. Step 4: Simplify right side
    337,877.46x = 78,804,733,193.99
  5. Step 5: Solve for x
    x = 78,804,733,193.99/337,877.46
  6. Step 6: Final answer
    x = 233,234.66

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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.