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Finding the Fourth Proportional to 296.12, 443.90 and 250.76

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Solution

The fourth proportional to 296.12, 443.90 and 250.76 is: 375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.12 : 443.90 = 250.76 : x
  2. Step 2: Convert to fraction form
    296.12/443.90 = 250.76/x
  3. Step 3: Cross multiply
    296.12x = 443.90 × 250.76
  4. Step 4: Simplify right side
    296.12x = 111,310.77
  5. Step 5: Solve for x
    x = 111,310.77/296.12
  6. Step 6: Final answer
    x = 375.90

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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.