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Finding the Fourth Proportional to 379,734.38, 523,842.38 and 250,536.68

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Solution

The fourth proportional to 379,734.38, 523,842.38 and 250,536.68 is: 345,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,734.38 : 523,842.38 = 250,536.68 : x
  2. Step 2: Convert to fraction form
    379,734.38/523,842.38 = 250,536.68/x
  3. Step 3: Cross multiply
    379,734.38x = 523,842.38 × 250,536.68
  4. Step 4: Simplify right side
    379,734.38x = 131,241,726,856.60
  5. Step 5: Solve for x
    x = 131,241,726,856.60/379,734.38
  6. Step 6: Final answer
    x = 345,614.55

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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.