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Finding the Fourth Proportional to 502,744.39, 693,791.78 and 273,302.12

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Solution

The fourth proportional to 502,744.39, 693,791.78 and 273,302.12 is: 377,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,744.39 : 693,791.78 = 273,302.12 : x
  2. Step 2: Convert to fraction form
    502,744.39/693,791.78 = 273,302.12/x
  3. Step 3: Cross multiply
    502,744.39x = 693,791.78 × 273,302.12
  4. Step 4: Simplify right side
    502,744.39x = 189,614,764,680.54
  5. Step 5: Solve for x
    x = 189,614,764,680.54/502,744.39
  6. Step 6: Final answer
    x = 377,159.39

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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.