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Finding the Fourth Proportional to 1,067.49, 1,601.24 and 337.68

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Solution

The fourth proportional to 1,067.49, 1,601.24 and 337.68 is: 506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.49 : 1,601.24 = 337.68 : x
  2. Step 2: Convert to fraction form
    1,067.49/1,601.24 = 337.68/x
  3. Step 3: Cross multiply
    1,067.49x = 1,601.24 × 337.68
  4. Step 4: Simplify right side
    1,067.49x = 540,705.03
  5. Step 5: Solve for x
    x = 540,705.03/1,067.49
  6. Step 6: Final answer
    x = 506.52

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Double scale
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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.