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Finding the Fourth Proportional to 267,460.85, 398,404.17 and 253,261.15

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Solution

The fourth proportional to 267,460.85, 398,404.17 and 253,261.15 is: 377,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,460.85 : 398,404.17 = 253,261.15 : x
  2. Step 2: Convert to fraction form
    267,460.85/398,404.17 = 253,261.15/x
  3. Step 3: Cross multiply
    267,460.85x = 398,404.17 × 253,261.15
  4. Step 4: Simplify right side
    267,460.85x = 100,900,297,262.99
  5. Step 5: Solve for x
    x = 100,900,297,262.99/267,460.85
  6. Step 6: Final answer
    x = 377,252.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.