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Finding the Fourth Proportional to 482,319.73, 665,568.78 and 267,451.84

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Solution

The fourth proportional to 482,319.73, 665,568.78 and 267,451.84 is: 369,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,319.73 : 665,568.78 = 267,451.84 : x
  2. Step 2: Convert to fraction form
    482,319.73/665,568.78 = 267,451.84/x
  3. Step 3: Cross multiply
    482,319.73x = 665,568.78 × 267,451.84
  4. Step 4: Simplify right side
    482,319.73x = 178,007,591,529.71
  5. Step 5: Solve for x
    x = 178,007,591,529.71/482,319.73
  6. Step 6: Final answer
    x = 369,065.54

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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.