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Finding the Fourth Proportional to 267,648.22, 401,473.04 and 90,279.69

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Solution

The fourth proportional to 267,648.22, 401,473.04 and 90,279.69 is: 135,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,648.22 : 401,473.04 = 90,279.69 : x
  2. Step 2: Convert to fraction form
    267,648.22/401,473.04 = 90,279.69/x
  3. Step 3: Cross multiply
    267,648.22x = 401,473.04 × 90,279.69
  4. Step 4: Simplify right side
    267,648.22x = 36,244,861,594.56
  5. Step 5: Solve for x
    x = 36,244,861,594.56/267,648.22
  6. Step 6: Final answer
    x = 135,419.77

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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.