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Finding the Fourth Proportional to 789.01, 1,183.68 and 241.24

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Solution

The fourth proportional to 789.01, 1,183.68 and 241.24 is: 361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    789.01 : 1,183.68 = 241.24 : x
  2. Step 2: Convert to fraction form
    789.01/1,183.68 = 241.24/x
  3. Step 3: Cross multiply
    789.01x = 1,183.68 × 241.24
  4. Step 4: Simplify right side
    789.01x = 285,545.04
  5. Step 5: Solve for x
    x = 285,545.04/789.01
  6. Step 6: Final answer
    x = 361.90

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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.