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Finding the Fourth Proportional to 494,047.56, 681,787.98 and 267,693

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Solution

The fourth proportional to 494,047.56, 681,787.98 and 267,693 is: 369,417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,047.56 : 681,787.98 = 267,693 : x
  2. Step 2: Convert to fraction form
    494,047.56/681,787.98 = 267,693/x
  3. Step 3: Cross multiply
    494,047.56x = 681,787.98 × 267,693
  4. Step 4: Simplify right side
    494,047.56x = 182,509,869,730.14
  5. Step 5: Solve for x
    x = 182,509,869,730.14/494,047.56
  6. Step 6: Final answer
    x = 369,417.61

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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.