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Finding the Fourth Proportional to 482,453.43, 665,865.45 and 267,662.69

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Solution

The fourth proportional to 482,453.43, 665,865.45 and 267,662.69 is: 369,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,453.43 : 665,865.45 = 267,662.69 : x
  2. Step 2: Convert to fraction form
    482,453.43/665,865.45 = 267,662.69/x
  3. Step 3: Cross multiply
    482,453.43x = 665,865.45 × 267,662.69
  4. Step 4: Simplify right side
    482,453.43x = 178,227,336,692.73
  5. Step 5: Solve for x
    x = 178,227,336,692.73/482,453.43
  6. Step 6: Final answer
    x = 369,418.74

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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.