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Finding the Fourth Proportional to 392,808.54, 588,755.70 and 224,446.80

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Solution

The fourth proportional to 392,808.54, 588,755.70 and 224,446.80 is: 336,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,808.54 : 588,755.70 = 224,446.80 : x
  2. Step 2: Convert to fraction form
    392,808.54/588,755.70 = 224,446.80/x
  3. Step 3: Cross multiply
    392,808.54x = 588,755.70 × 224,446.80
  4. Step 4: Simplify right side
    392,808.54x = 132,144,332,846.76
  5. Step 5: Solve for x
    x = 132,144,332,846.76/392,808.54
  6. Step 6: Final answer
    x = 336,409.01

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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.