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Finding the Fourth Proportional to 477,983.34, 717,125.70 and 225,253.62

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Solution

The fourth proportional to 477,983.34, 717,125.70 and 225,253.62 is: 337,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,983.34 : 717,125.70 = 225,253.62 : x
  2. Step 2: Convert to fraction form
    477,983.34/717,125.70 = 225,253.62/x
  3. Step 3: Cross multiply
    477,983.34x = 717,125.70 × 225,253.62
  4. Step 4: Simplify right side
    477,983.34x = 161,535,159,920.03
  5. Step 5: Solve for x
    x = 161,535,159,920.03/477,983.34
  6. Step 6: Final answer
    x = 337,951.44

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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.