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Finding the Fourth Proportional to 493,996.77, 681,718.38 and 267,642.27

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Solution

The fourth proportional to 493,996.77, 681,718.38 and 267,642.27 is: 369,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,996.77 : 681,718.38 = 267,642.27 : x
  2. Step 2: Convert to fraction form
    493,996.77/681,718.38 = 267,642.27/x
  3. Step 3: Cross multiply
    493,996.77x = 681,718.38 × 267,642.27
  4. Step 4: Simplify right side
    493,996.77x = 182,456,654,723.92
  5. Step 5: Solve for x
    x = 182,456,654,723.92/493,996.77
  6. Step 6: Final answer
    x = 369,347.87

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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.