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Finding the Fourth Proportional to 1,249.66, 1,874.89 and 600.44

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Solution

The fourth proportional to 1,249.66, 1,874.89 and 600.44 is: 900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249.66 : 1,874.89 = 600.44 : x
  2. Step 2: Convert to fraction form
    1,249.66/1,874.89 = 600.44/x
  3. Step 3: Cross multiply
    1,249.66x = 1,874.89 × 600.44
  4. Step 4: Simplify right side
    1,249.66x = 1,125,758.95
  5. Step 5: Solve for x
    x = 1,125,758.95/1,249.66
  6. Step 6: Final answer
    x = 900.85

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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.