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Finding the Fourth Proportional to 498,225,020.40, 747,337,530.60 and 498,225,020.40

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Solution

The fourth proportional to 498,225,020.40, 747,337,530.60 and 498,225,020.40 is: 747,337,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,225,020.40 : 747,337,530.60 = 498,225,020.40 : x
  2. Step 2: Convert to fraction form
    498,225,020.40/747,337,530.60 = 498,225,020.40/x
  3. Step 3: Cross multiply
    498,225,020.40x = 747,337,530.60 × 498,225,020.40
  4. Step 4: Simplify right side
    498,225,020.40x = 372,342,256,428,870,592
  5. Step 5: Solve for x
    x = 372,342,256,428,870,592/498,225,020.40
  6. Step 6: Final answer
    x = 747,337,530.60

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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.