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Finding the Fourth Proportional to 494,089.92, 681,847.36 and 267,737.28

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Solution

The fourth proportional to 494,089.92, 681,847.36 and 267,737.28 is: 369,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,089.92 : 681,847.36 = 267,737.28 : x
  2. Step 2: Convert to fraction form
    494,089.92/681,847.36 = 267,737.28/x
  3. Step 3: Cross multiply
    494,089.92x = 681,847.36 × 267,737.28
  4. Step 4: Simplify right side
    494,089.92x = 182,555,957,541.58
  5. Step 5: Solve for x
    x = 182,555,957,541.58/494,089.92
  6. Step 6: Final answer
    x = 369,479.22

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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.