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Finding the Fourth Proportional to 355,332,454.20, 532,998,681.30 and 355,332,454.20

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Solution

The fourth proportional to 355,332,454.20, 532,998,681.30 and 355,332,454.20 is: 532,998,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,332,454.20 : 532,998,681.30 = 355,332,454.20 : x
  2. Step 2: Convert to fraction form
    355,332,454.20/532,998,681.30 = 355,332,454.20/x
  3. Step 3: Cross multiply
    355,332,454.20x = 532,998,681.30 × 355,332,454.20
  4. Step 4: Simplify right side
    355,332,454.20x = 189,391,729,511,692,640
  5. Step 5: Solve for x
    x = 189,391,729,511,692,640/355,332,454.20
  6. Step 6: Final answer
    x = 532,998,681.30

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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.