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Finding the Fourth Proportional to 481,915.44, 665,013.24 and 267,042.96

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Solution

The fourth proportional to 481,915.44, 665,013.24 and 267,042.96 is: 368,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,915.44 : 665,013.24 = 267,042.96 : x
  2. Step 2: Convert to fraction form
    481,915.44/665,013.24 = 267,042.96/x
  3. Step 3: Cross multiply
    481,915.44x = 665,013.24 × 267,042.96
  4. Step 4: Simplify right side
    481,915.44x = 177,587,104,048.79
  5. Step 5: Solve for x
    x = 177,587,104,048.79/481,915.44
  6. Step 6: Final answer
    x = 368,502.62

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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.