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Finding the Fourth Proportional to 482,383.92, 665,679.42 and 267,519.36

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Solution

The fourth proportional to 482,383.92, 665,679.42 and 267,519.36 is: 369,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,383.92 : 665,679.42 = 267,519.36 : x
  2. Step 2: Convert to fraction form
    482,383.92/665,679.42 = 267,519.36/x
  3. Step 3: Cross multiply
    482,383.92x = 665,679.42 × 267,519.36
  4. Step 4: Simplify right side
    482,383.92x = 178,082,132,403.57
  5. Step 5: Solve for x
    x = 178,082,132,403.57/482,383.92
  6. Step 6: Final answer
    x = 369,170.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.