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Finding the Fourth Proportional to 1,183.25, 1,774.33 and 403.04

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Solution

The fourth proportional to 1,183.25, 1,774.33 and 403.04 is: 604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.25 : 1,774.33 = 403.04 : x
  2. Step 2: Convert to fraction form
    1,183.25/1,774.33 = 403.04/x
  3. Step 3: Cross multiply
    1,183.25x = 1,774.33 × 403.04
  4. Step 4: Simplify right side
    1,183.25x = 715,123.95
  5. Step 5: Solve for x
    x = 715,123.95/1,183.25
  6. Step 6: Final answer
    x = 604.37

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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.