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Finding the Fourth Proportional to 361,634.37, 499,067.28 and 200,504.43

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Solution

The fourth proportional to 361,634.37, 499,067.28 and 200,504.43 is: 276,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,634.37 : 499,067.28 = 200,504.43 : x
  2. Step 2: Convert to fraction form
    361,634.37/499,067.28 = 200,504.43/x
  3. Step 3: Cross multiply
    361,634.37x = 499,067.28 × 200,504.43
  4. Step 4: Simplify right side
    361,634.37x = 100,065,200,508.05
  5. Step 5: Solve for x
    x = 100,065,200,508.05/361,634.37
  6. Step 6: Final answer
    x = 276,702.68

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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.