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Finding the Fourth Proportional to 296.33, 444.52 and 79.91

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Solution

The fourth proportional to 296.33, 444.52 and 79.91 is: 119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.33 : 444.52 = 79.91 : x
  2. Step 2: Convert to fraction form
    296.33/444.52 = 79.91/x
  3. Step 3: Cross multiply
    296.33x = 444.52 × 79.91
  4. Step 4: Simplify right side
    296.33x = 35,521.59
  5. Step 5: Solve for x
    x = 35,521.59/296.33
  6. Step 6: Final answer
    x = 119.87

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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.