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Finding the Fourth Proportional to 361,789.02, 499,299.52 and 200,695.97

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Solution

The fourth proportional to 361,789.02, 499,299.52 and 200,695.97 is: 276,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,789.02 : 499,299.52 = 200,695.97 : x
  2. Step 2: Convert to fraction form
    361,789.02/499,299.52 = 200,695.97/x
  3. Step 3: Cross multiply
    361,789.02x = 499,299.52 × 200,695.97
  4. Step 4: Simplify right side
    361,789.02x = 100,207,402,233.44
  5. Step 5: Solve for x
    x = 100,207,402,233.44/361,789.02
  6. Step 6: Final answer
    x = 276,977.46

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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.