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Finding the Fourth Proportional to 484,472,405.40, 726,708,608.10 and 484,472,405.40

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Solution

The fourth proportional to 484,472,405.40, 726,708,608.10 and 484,472,405.40 is: 726,708,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,472,405.40 : 726,708,608.10 = 484,472,405.40 : x
  2. Step 2: Convert to fraction form
    484,472,405.40/726,708,608.10 = 484,472,405.40/x
  3. Step 3: Cross multiply
    484,472,405.40x = 726,708,608.10 × 484,472,405.40
  4. Step 4: Simplify right side
    484,472,405.40x = 352,070,267,391,092,928
  5. Step 5: Solve for x
    x = 352,070,267,391,092,928/484,472,405.40
  6. Step 6: Final answer
    x = 726,708,608.10

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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.