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Finding the Fourth Proportional to 361,067.28, 498,288.39 and 199,922.28

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Solution

The fourth proportional to 361,067.28, 498,288.39 and 199,922.28 is: 275,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,067.28 : 498,288.39 = 199,922.28 : x
  2. Step 2: Convert to fraction form
    361,067.28/498,288.39 = 199,922.28/x
  3. Step 3: Cross multiply
    361,067.28x = 498,288.39 × 199,922.28
  4. Step 4: Simplify right side
    361,067.28x = 99,618,951,026.33
  5. Step 5: Solve for x
    x = 99,618,951,026.33/361,067.28
  6. Step 6: Final answer
    x = 275,901.35

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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.