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Finding the Fourth Proportional to 433,592.70, 650,385.45 and 338,902.48

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Solution

The fourth proportional to 433,592.70, 650,385.45 and 338,902.48 is: 508,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,592.70 : 650,385.45 = 338,902.48 : x
  2. Step 2: Convert to fraction form
    433,592.70/650,385.45 = 338,902.48/x
  3. Step 3: Cross multiply
    433,592.70x = 650,385.45 × 338,902.48
  4. Step 4: Simplify right side
    433,592.70x = 220,417,241,960.92
  5. Step 5: Solve for x
    x = 220,417,241,960.92/433,592.70
  6. Step 6: Final answer
    x = 508,350.91

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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.