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Finding the Fourth Proportional to 267,523.20, 398,926.92 and 265,124.88

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Solution

The fourth proportional to 267,523.20, 398,926.92 and 265,124.88 is: 395,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,523.20 : 398,926.92 = 265,124.88 : x
  2. Step 2: Convert to fraction form
    267,523.20/398,926.92 = 265,124.88/x
  3. Step 3: Cross multiply
    267,523.20x = 398,926.92 × 265,124.88
  4. Step 4: Simplify right side
    267,523.20x = 105,765,451,793.77
  5. Step 5: Solve for x
    x = 105,765,451,793.77/267,523.20
  6. Step 6: Final answer
    x = 395,350.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.