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Finding the Fourth Proportional to 1,251.16, 1,876.68 and 599.92

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Solution

The fourth proportional to 1,251.16, 1,876.68 and 599.92 is: 899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.16 : 1,876.68 = 599.92 : x
  2. Step 2: Convert to fraction form
    1,251.16/1,876.68 = 599.92/x
  3. Step 3: Cross multiply
    1,251.16x = 1,876.68 × 599.92
  4. Step 4: Simplify right side
    1,251.16x = 1,125,857.87
  5. Step 5: Solve for x
    x = 1,125,857.87/1,251.16
  6. Step 6: Final answer
    x = 899.85

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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.