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Finding the Fourth Proportional to 274,089.92, 410,540.64 and 267,399.68

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Solution

The fourth proportional to 274,089.92, 410,540.64 and 267,399.68 is: 400,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,089.92 : 410,540.64 = 267,399.68 : x
  2. Step 2: Convert to fraction form
    274,089.92/410,540.64 = 267,399.68/x
  3. Step 3: Cross multiply
    274,089.92x = 410,540.64 × 267,399.68
  4. Step 4: Simplify right side
    274,089.92x = 109,778,435,763.00
  5. Step 5: Solve for x
    x = 109,778,435,763.00/274,089.92
  6. Step 6: Final answer
    x = 400,519.78

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1.5x scale

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.