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Finding the Fourth Proportional to 337,529.80, 506,353.02 and 137,958.76

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Solution

The fourth proportional to 337,529.80, 506,353.02 and 137,958.76 is: 206,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,529.80 : 506,353.02 = 137,958.76 : x
  2. Step 2: Convert to fraction form
    337,529.80/506,353.02 = 137,958.76/x
  3. Step 3: Cross multiply
    337,529.80x = 506,353.02 × 137,958.76
  4. Step 4: Simplify right side
    337,529.80x = 69,855,834,761.46
  5. Step 5: Solve for x
    x = 69,855,834,761.46/337,529.80
  6. Step 6: Final answer
    x = 206,961.98

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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.