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Finding the Fourth Proportional to 250,251.28, 375,376.92 and 63,262.78

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Solution

The fourth proportional to 250,251.28, 375,376.92 and 63,262.78 is: 94,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,251.28 : 375,376.92 = 63,262.78 : x
  2. Step 2: Convert to fraction form
    250,251.28/375,376.92 = 63,262.78/x
  3. Step 3: Cross multiply
    250,251.28x = 375,376.92 × 63,262.78
  4. Step 4: Simplify right side
    250,251.28x = 23,747,387,507.04
  5. Step 5: Solve for x
    x = 23,747,387,507.04/250,251.28
  6. Step 6: Final answer
    x = 94,894.17

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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.