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Finding the Fourth Proportional to 498,891.80, 748,337.70 and 498,891.80

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Solution

The fourth proportional to 498,891.80, 748,337.70 and 498,891.80 is: 748,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,891.80 : 748,337.70 = 498,891.80 : x
  2. Step 2: Convert to fraction form
    498,891.80/748,337.70 = 498,891.80/x
  3. Step 3: Cross multiply
    498,891.80x = 748,337.70 × 498,891.80
  4. Step 4: Simplify right side
    498,891.80x = 373,339,542,160.86
  5. Step 5: Solve for x
    x = 373,339,542,160.86/498,891.80
  6. Step 6: Final answer
    x = 748,337.70

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Similar ratio
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1.5x scale

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.