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Finding the Fourth Proportional to 497,737.20, 746,022.60 and 372,932.40

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Solution

The fourth proportional to 497,737.20, 746,022.60 and 372,932.40 is: 558,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,737.20 : 746,022.60 = 372,932.40 : x
  2. Step 2: Convert to fraction form
    497,737.20/746,022.60 = 372,932.40/x
  3. Step 3: Cross multiply
    497,737.20x = 746,022.60 × 372,932.40
  4. Step 4: Simplify right side
    497,737.20x = 278,215,998,672.24
  5. Step 5: Solve for x
    x = 278,215,998,672.24/497,737.20
  6. Step 6: Final answer
    x = 558,961.63

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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.