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Finding the Fourth Proportional to 1,251.54, 1,874.57 and 600.91

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Solution

The fourth proportional to 1,251.54, 1,874.57 and 600.91 is: 900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.54 : 1,874.57 = 600.91 : x
  2. Step 2: Convert to fraction form
    1,251.54/1,874.57 = 600.91/x
  3. Step 3: Cross multiply
    1,251.54x = 1,874.57 × 600.91
  4. Step 4: Simplify right side
    1,251.54x = 1,126,447.86
  5. Step 5: Solve for x
    x = 1,126,447.86/1,251.54
  6. Step 6: Final answer
    x = 900.05

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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.