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Finding the Fourth Proportional to 296.32, 444.62 and 113.79

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Solution

The fourth proportional to 296.32, 444.62 and 113.79 is: 170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.32 : 444.62 = 113.79 : x
  2. Step 2: Convert to fraction form
    296.32/444.62 = 113.79/x
  3. Step 3: Cross multiply
    296.32x = 444.62 × 113.79
  4. Step 4: Simplify right side
    296.32x = 50,593.31
  5. Step 5: Solve for x
    x = 50,593.31/296.32
  6. Step 6: Final answer
    x = 170.74

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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.