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Finding the Fourth Proportional to 534,375.84, 801,031.20 and 267,321.12

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Solution

The fourth proportional to 534,375.84, 801,031.20 and 267,321.12 is: 400,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,375.84 : 801,031.20 = 267,321.12 : x
  2. Step 2: Convert to fraction form
    534,375.84/801,031.20 = 267,321.12/x
  3. Step 3: Cross multiply
    534,375.84x = 801,031.20 × 267,321.12
  4. Step 4: Simplify right side
    534,375.84x = 214,132,557,538.94
  5. Step 5: Solve for x
    x = 214,132,557,538.94/534,375.84
  6. Step 6: Final answer
    x = 400,715.27

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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.