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Finding the Fourth Proportional to 382,247.17, 527,469.71 and 225,058.11

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Solution

The fourth proportional to 382,247.17, 527,469.71 and 225,058.11 is: 310,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,247.17 : 527,469.71 = 225,058.11 : x
  2. Step 2: Convert to fraction form
    382,247.17/527,469.71 = 225,058.11/x
  3. Step 3: Cross multiply
    382,247.17x = 527,469.71 × 225,058.11
  4. Step 4: Simplify right side
    382,247.17x = 118,711,332,814.85
  5. Step 5: Solve for x
    x = 118,711,332,814.85/382,247.17
  6. Step 6: Final answer
    x = 310,561.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.