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Finding the Fourth Proportional to 1,067.88, 1,601.39 and 482.86

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Solution

The fourth proportional to 1,067.88, 1,601.39 and 482.86 is: 724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.88 : 1,601.39 = 482.86 : x
  2. Step 2: Convert to fraction form
    1,067.88/1,601.39 = 482.86/x
  3. Step 3: Cross multiply
    1,067.88x = 1,601.39 × 482.86
  4. Step 4: Simplify right side
    1,067.88x = 773,250.38
  5. Step 5: Solve for x
    x = 773,250.38/1,067.88
  6. Step 6: Final answer
    x = 724.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.