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Finding the Fourth Proportional to 498,644.76, 747,966.87 and 124,667.76

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Solution

The fourth proportional to 498,644.76, 747,966.87 and 124,667.76 is: 187,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,644.76 : 747,966.87 = 124,667.76 : x
  2. Step 2: Convert to fraction form
    498,644.76/747,966.87 = 124,667.76/x
  3. Step 3: Cross multiply
    498,644.76x = 747,966.87 × 124,667.76
  4. Step 4: Simplify right side
    498,644.76x = 93,247,354,237.11
  5. Step 5: Solve for x
    x = 93,247,354,237.11/498,644.76
  6. Step 6: Final answer
    x = 187,001.57

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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.