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Finding the Fourth Proportional to 502,824.60, 693,909.72 and 273,394.92

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Solution

The fourth proportional to 502,824.60, 693,909.72 and 273,394.92 is: 377,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,824.60 : 693,909.72 = 273,394.92 : x
  2. Step 2: Convert to fraction form
    502,824.60/693,909.72 = 273,394.92/x
  3. Step 3: Cross multiply
    502,824.60x = 693,909.72 × 273,394.92
  4. Step 4: Simplify right side
    502,824.60x = 189,711,392,386.62
  5. Step 5: Solve for x
    x = 189,711,392,386.62/502,824.60
  6. Step 6: Final answer
    x = 377,291.39

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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.