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Finding the Fourth Proportional to 1,183.01, 1,773.48 and 489.24

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Solution

The fourth proportional to 1,183.01, 1,773.48 and 489.24 is: 733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.01 : 1,773.48 = 489.24 : x
  2. Step 2: Convert to fraction form
    1,183.01/1,773.48 = 489.24/x
  3. Step 3: Cross multiply
    1,183.01x = 1,773.48 × 489.24
  4. Step 4: Simplify right side
    1,183.01x = 867,657.36
  5. Step 5: Solve for x
    x = 867,657.36/1,183.01
  6. Step 6: Final answer
    x = 733.43

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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.