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Finding the Fourth Proportional to 482,391.14, 665,739.68 and 267,600.60

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Solution

The fourth proportional to 482,391.14, 665,739.68 and 267,600.60 is: 369,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,391.14 : 665,739.68 = 267,600.60 : x
  2. Step 2: Convert to fraction form
    482,391.14/665,739.68 = 267,600.60/x
  3. Step 3: Cross multiply
    482,391.14x = 665,739.68 × 267,600.60
  4. Step 4: Simplify right side
    482,391.14x = 178,152,336,473.81
  5. Step 5: Solve for x
    x = 178,152,336,473.81/482,391.14
  6. Step 6: Final answer
    x = 369,310.97

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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.