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Finding the Fourth Proportional to 493,777.88, 681,414.36 and 267,423.38

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Solution

The fourth proportional to 493,777.88, 681,414.36 and 267,423.38 is: 369,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,777.88 : 681,414.36 = 267,423.38 : x
  2. Step 2: Convert to fraction form
    493,777.88/681,414.36 = 267,423.38/x
  3. Step 3: Cross multiply
    493,777.88x = 681,414.36 × 267,423.38
  4. Step 4: Simplify right side
    493,777.88x = 182,226,131,331.74
  5. Step 5: Solve for x
    x = 182,226,131,331.74/493,777.88
  6. Step 6: Final answer
    x = 369,044.74

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1.5x scale

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.