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Finding the Fourth Proportional to 502,591.78, 693,582.04 and 273,149.07

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Solution

The fourth proportional to 502,591.78, 693,582.04 and 273,149.07 is: 376,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,591.78 : 693,582.04 = 273,149.07 : x
  2. Step 2: Convert to fraction form
    502,591.78/693,582.04 = 273,149.07/x
  3. Step 3: Cross multiply
    502,591.78x = 693,582.04 × 273,149.07
  4. Step 4: Simplify right side
    502,591.78x = 189,451,289,194.70
  5. Step 5: Solve for x
    x = 189,451,289,194.70/502,591.78
  6. Step 6: Final answer
    x = 376,948.64

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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.