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Finding the Fourth Proportional to 267,291.98, 400,997.81 and 89,794.15

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Solution

The fourth proportional to 267,291.98, 400,997.81 and 89,794.15 is: 134,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,291.98 : 400,997.81 = 89,794.15 : x
  2. Step 2: Convert to fraction form
    267,291.98/400,997.81 = 89,794.15/x
  3. Step 3: Cross multiply
    267,291.98x = 400,997.81 × 89,794.15
  4. Step 4: Simplify right side
    267,291.98x = 36,007,256,722.80
  5. Step 5: Solve for x
    x = 36,007,256,722.80/267,291.98
  6. Step 6: Final answer
    x = 134,711.33

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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.