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Finding the Fourth Proportional to 487,755.95, 731,560.05 and 132,797.93

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Solution

The fourth proportional to 487,755.95, 731,560.05 and 132,797.93 is: 199,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,755.95 : 731,560.05 = 132,797.93 : x
  2. Step 2: Convert to fraction form
    487,755.95/731,560.05 = 132,797.93/x
  3. Step 3: Cross multiply
    487,755.95x = 731,560.05 × 132,797.93
  4. Step 4: Simplify right side
    487,755.95x = 97,149,656,652.90
  5. Step 5: Solve for x
    x = 97,149,656,652.90/487,755.95
  6. Step 6: Final answer
    x = 199,176.78

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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.