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Finding the Fourth Proportional to 296.62, 444.78 and 111.52

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Solution

The fourth proportional to 296.62, 444.78 and 111.52 is: 167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.62 : 444.78 = 111.52 : x
  2. Step 2: Convert to fraction form
    296.62/444.78 = 111.52/x
  3. Step 3: Cross multiply
    296.62x = 444.78 × 111.52
  4. Step 4: Simplify right side
    296.62x = 49,601.87
  5. Step 5: Solve for x
    x = 49,601.87/296.62
  6. Step 6: Final answer
    x = 167.22

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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.