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Finding the Fourth Proportional to 296.61, 444.76 and 113.87

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Solution

The fourth proportional to 296.61, 444.76 and 113.87 is: 170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.61 : 444.76 = 113.87 : x
  2. Step 2: Convert to fraction form
    296.61/444.76 = 113.87/x
  3. Step 3: Cross multiply
    296.61x = 444.76 × 113.87
  4. Step 4: Simplify right side
    296.61x = 50,644.25
  5. Step 5: Solve for x
    x = 50,644.25/296.61
  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.