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Finding the Fourth Proportional to 296.49, 444.49 and 131.95

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Solution

The fourth proportional to 296.49, 444.49 and 131.95 is: 197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.49 : 444.49 = 131.95 : x
  2. Step 2: Convert to fraction form
    296.49/444.49 = 131.95/x
  3. Step 3: Cross multiply
    296.49x = 444.49 × 131.95
  4. Step 4: Simplify right side
    296.49x = 58,650.46
  5. Step 5: Solve for x
    x = 58,650.46/296.49
  6. Step 6: Final answer
    x = 197.82

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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.