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Finding the Fourth Proportional to 296.35, 444.48 and 79.94

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Solution

The fourth proportional to 296.35, 444.48 and 79.94 is: 119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.35 : 444.48 = 79.94 : x
  2. Step 2: Convert to fraction form
    296.35/444.48 = 79.94/x
  3. Step 3: Cross multiply
    296.35x = 444.48 × 79.94
  4. Step 4: Simplify right side
    296.35x = 35,531.73
  5. Step 5: Solve for x
    x = 35,531.73/296.35
  6. Step 6: Final answer
    x = 119.90

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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.