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Finding the Fourth Proportional to 267,097.28, 400,644.39 and 67,416.84

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Solution

The fourth proportional to 267,097.28, 400,644.39 and 67,416.84 is: 101,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,097.28 : 400,644.39 = 67,416.84 : x
  2. Step 2: Convert to fraction form
    267,097.28/400,644.39 = 67,416.84/x
  3. Step 3: Cross multiply
    267,097.28x = 400,644.39 × 67,416.84
  4. Step 4: Simplify right side
    267,097.28x = 27,010,177,860.82
  5. Step 5: Solve for x
    x = 27,010,177,860.82/267,097.28
  6. Step 6: Final answer
    x = 101,124.87

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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.