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Finding the Fourth Proportional to 482,169.70, 665,409.90 and 267,329.74

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Solution

The fourth proportional to 482,169.70, 665,409.90 and 267,329.74 is: 368,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,169.70 : 665,409.90 = 267,329.74 : x
  2. Step 2: Convert to fraction form
    482,169.70/665,409.90 = 267,329.74/x
  3. Step 3: Cross multiply
    482,169.70x = 665,409.90 × 267,329.74
  4. Step 4: Simplify right side
    482,169.70x = 177,883,855,560.43
  5. Step 5: Solve for x
    x = 177,883,855,560.43/482,169.70
  6. Step 6: Final answer
    x = 368,923.75

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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.