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Finding the Fourth Proportional to 1,182.41, 1,773.24 and 451.58

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Solution

The fourth proportional to 1,182.41, 1,773.24 and 451.58 is: 677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.41 : 1,773.24 = 451.58 : x
  2. Step 2: Convert to fraction form
    1,182.41/1,773.24 = 451.58/x
  3. Step 3: Cross multiply
    1,182.41x = 1,773.24 × 451.58
  4. Step 4: Simplify right side
    1,182.41x = 800,759.72
  5. Step 5: Solve for x
    x = 800,759.72/1,182.41
  6. Step 6: Final answer
    x = 677.23

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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.