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Finding the Fourth Proportional to 481,898.75, 665,024.18 and 267,042.42

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Solution

The fourth proportional to 481,898.75, 665,024.18 and 267,042.42 is: 368,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,898.75 : 665,024.18 = 267,042.42 : x
  2. Step 2: Convert to fraction form
    481,898.75/665,024.18 = 267,042.42/x
  3. Step 3: Cross multiply
    481,898.75x = 665,024.18 × 267,042.42
  4. Step 4: Simplify right side
    481,898.75x = 177,589,665,050.50
  5. Step 5: Solve for x
    x = 177,589,665,050.50/481,898.75
  6. Step 6: Final answer
    x = 368,520.70

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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.