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Finding the Fourth Proportional to 373,553.38, 560,135.52 and 133,574.78

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Solution

The fourth proportional to 373,553.38, 560,135.52 and 133,574.78 is: 200,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,553.38 : 560,135.52 = 133,574.78 : x
  2. Step 2: Convert to fraction form
    373,553.38/560,135.52 = 133,574.78/x
  3. Step 3: Cross multiply
    373,553.38x = 560,135.52 × 133,574.78
  4. Step 4: Simplify right side
    373,553.38x = 74,819,978,854.19
  5. Step 5: Solve for x
    x = 74,819,978,854.19/373,553.38
  6. Step 6: Final answer
    x = 200,292.60

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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.