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Finding the Fourth Proportional to 1,337.46, 2,005.97 and 363.56

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Solution

The fourth proportional to 1,337.46, 2,005.97 and 363.56 is: 545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.46 : 2,005.97 = 363.56 : x
  2. Step 2: Convert to fraction form
    1,337.46/2,005.97 = 363.56/x
  3. Step 3: Cross multiply
    1,337.46x = 2,005.97 × 363.56
  4. Step 4: Simplify right side
    1,337.46x = 729,295.53
  5. Step 5: Solve for x
    x = 729,295.53/1,337.46
  6. Step 6: Final answer
    x = 545.28

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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.