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Finding the Fourth Proportional to 493,959.49, 681,659.81 and 267,604.45

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Solution

The fourth proportional to 493,959.49, 681,659.81 and 267,604.45 is: 369,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,959.49 : 681,659.81 = 267,604.45 : x
  2. Step 2: Convert to fraction form
    493,959.49/681,659.81 = 267,604.45/x
  3. Step 3: Cross multiply
    493,959.49x = 681,659.81 × 267,604.45
  4. Step 4: Simplify right side
    493,959.49x = 182,415,198,542.16
  5. Step 5: Solve for x
    x = 182,415,198,542.16/493,959.49
  6. Step 6: Final answer
    x = 369,291.82

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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.