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Finding the Fourth Proportional to 1,067.38, 1,601.10 and 337.47

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Solution

The fourth proportional to 1,067.38, 1,601.10 and 337.47 is: 506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.38 : 1,601.10 = 337.47 : x
  2. Step 2: Convert to fraction form
    1,067.38/1,601.10 = 337.47/x
  3. Step 3: Cross multiply
    1,067.38x = 1,601.10 × 337.47
  4. Step 4: Simplify right side
    1,067.38x = 540,323.22
  5. Step 5: Solve for x
    x = 540,323.22/1,067.38
  6. Step 6: Final answer
    x = 506.21

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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.