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Finding the Fourth Proportional to 445,432.08, 667,258.08 and 267,841.92

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Solution

The fourth proportional to 445,432.08, 667,258.08 and 267,841.92 is: 401,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,432.08 : 667,258.08 = 267,841.92 : x
  2. Step 2: Convert to fraction form
    445,432.08/667,258.08 = 267,841.92/x
  3. Step 3: Cross multiply
    445,432.08x = 667,258.08 × 267,841.92
  4. Step 4: Simplify right side
    445,432.08x = 178,719,685,282.71
  5. Step 5: Solve for x
    x = 178,719,685,282.71/445,432.08
  6. Step 6: Final answer
    x = 401,227.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.