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Finding the Fourth Proportional to 1,067.72, 1,473.45 and 601.97

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Solution

The fourth proportional to 1,067.72, 1,473.45 and 601.97 is: 830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.72 : 1,473.45 = 601.97 : x
  2. Step 2: Convert to fraction form
    1,067.72/1,473.45 = 601.97/x
  3. Step 3: Cross multiply
    1,067.72x = 1,473.45 × 601.97
  4. Step 4: Simplify right side
    1,067.72x = 886,972.70
  5. Step 5: Solve for x
    x = 886,972.70/1,067.72
  6. Step 6: Final answer
    x = 830.72

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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.