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Finding the Fourth Proportional to 355,332,607.20, 532,998,910.80 and 355,332,607.20

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Solution

The fourth proportional to 355,332,607.20, 532,998,910.80 and 355,332,607.20 is: 532,998,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,332,607.20 : 532,998,910.80 = 355,332,607.20 : x
  2. Step 2: Convert to fraction form
    355,332,607.20/532,998,910.80 = 355,332,607.20/x
  3. Step 3: Cross multiply
    355,332,607.20x = 532,998,910.80 × 355,332,607.20
  4. Step 4: Simplify right side
    355,332,607.20x = 189,391,892,609,324,224
  5. Step 5: Solve for x
    x = 189,391,892,609,324,224/355,332,607.20
  6. Step 6: Final answer
    x = 532,998,910.80

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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.