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Finding the Fourth Proportional to 481,963.57, 665,099.51 and 267,101.75

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Solution

The fourth proportional to 481,963.57, 665,099.51 and 267,101.75 is: 368,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,963.57 : 665,099.51 = 267,101.75 : x
  2. Step 2: Convert to fraction form
    481,963.57/665,099.51 = 267,101.75/x
  3. Step 3: Cross multiply
    481,963.57x = 665,099.51 × 267,101.75
  4. Step 4: Simplify right side
    481,963.57x = 177,649,243,372.38
  5. Step 5: Solve for x
    x = 177,649,243,372.38/481,963.57
  6. Step 6: Final answer
    x = 368,594.76

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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.