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Finding the Fourth Proportional to 1,452.52, 2,178.78 and 587.44

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Solution

The fourth proportional to 1,452.52, 2,178.78 and 587.44 is: 881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.52 : 2,178.78 = 587.44 : x
  2. Step 2: Convert to fraction form
    1,452.52/2,178.78 = 587.44/x
  3. Step 3: Cross multiply
    1,452.52x = 2,178.78 × 587.44
  4. Step 4: Simplify right side
    1,452.52x = 1,279,906.35
  5. Step 5: Solve for x
    x = 1,279,906.35/1,452.52
  6. Step 6: Final answer
    x = 881.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.