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Finding the Fourth Proportional to 267,238,981.80, 400,858,472.70 and 224,192,260.80

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Solution

The fourth proportional to 267,238,981.80, 400,858,472.70 and 224,192,260.80 is: 336,288,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,238,981.80 : 400,858,472.70 = 224,192,260.80 : x
  2. Step 2: Convert to fraction form
    267,238,981.80/400,858,472.70 = 224,192,260.80/x
  3. Step 3: Cross multiply
    267,238,981.80x = 400,858,472.70 × 224,192,260.80
  4. Step 4: Simplify right side
    267,238,981.80x = 89,869,367,255,448,080
  5. Step 5: Solve for x
    x = 89,869,367,255,448,080/267,238,981.80
  6. Step 6: Final answer
    x = 336,288,391.20

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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.