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Finding the Fourth Proportional to 352,601.41, 486,469.78 and 225,350.41

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Solution

The fourth proportional to 352,601.41, 486,469.78 and 225,350.41 is: 310,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,601.41 : 486,469.78 = 225,350.41 : x
  2. Step 2: Convert to fraction form
    352,601.41/486,469.78 = 225,350.41/x
  3. Step 3: Cross multiply
    352,601.41x = 486,469.78 × 225,350.41
  4. Step 4: Simplify right side
    352,601.41x = 109,626,164,375.61
  5. Step 5: Solve for x
    x = 109,626,164,375.61/352,601.41
  6. Step 6: Final answer
    x = 310,906.77

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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.