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Finding the Fourth Proportional to 267,220.17, 400,540.48 and 133,778.61

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Solution

The fourth proportional to 267,220.17, 400,540.48 and 133,778.61 is: 200,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,220.17 : 400,540.48 = 133,778.61 : x
  2. Step 2: Convert to fraction form
    267,220.17/400,540.48 = 133,778.61/x
  3. Step 3: Cross multiply
    267,220.17x = 400,540.48 × 133,778.61
  4. Step 4: Simplify right side
    267,220.17x = 53,583,748,328.69
  5. Step 5: Solve for x
    x = 53,583,748,328.69/267,220.17
  6. Step 6: Final answer
    x = 200,522.84

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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.