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Finding the Fourth Proportional to 494,076.72, 681,826.92 and 267,722.28

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Solution

The fourth proportional to 494,076.72, 681,826.92 and 267,722.28 is: 369,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,076.72 : 681,826.92 = 267,722.28 : x
  2. Step 2: Convert to fraction form
    494,076.72/681,826.92 = 267,722.28/x
  3. Step 3: Cross multiply
    494,076.72x = 681,826.92 × 267,722.28
  4. Step 4: Simplify right side
    494,076.72x = 182,540,257,587.78
  5. Step 5: Solve for x
    x = 182,540,257,587.78/494,076.72
  6. Step 6: Final answer
    x = 369,457.31

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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.