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Finding the Fourth Proportional to 493,753.20, 667,091.70 and 493,753.20

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Solution

The fourth proportional to 493,753.20, 667,091.70 and 493,753.20 is: 667,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,753.20 : 667,091.70 = 493,753.20 : x
  2. Step 2: Convert to fraction form
    493,753.20/667,091.70 = 493,753.20/x
  3. Step 3: Cross multiply
    493,753.20x = 667,091.70 × 493,753.20
  4. Step 4: Simplify right side
    493,753.20x = 329,378,661,568.44
  5. Step 5: Solve for x
    x = 329,378,661,568.44/493,753.20
  6. Step 6: Final answer
    x = 667,091.70

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.