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Finding the Fourth Proportional to 297.24, 444.78 and 251.16

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Solution

The fourth proportional to 297.24, 444.78 and 251.16 is: 375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.24 : 444.78 = 251.16 : x
  2. Step 2: Convert to fraction form
    297.24/444.78 = 251.16/x
  3. Step 3: Cross multiply
    297.24x = 444.78 × 251.16
  4. Step 4: Simplify right side
    297.24x = 111,710.94
  5. Step 5: Solve for x
    x = 111,710.94/297.24
  6. Step 6: Final answer
    x = 375.83

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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.