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Finding the Fourth Proportional to 296.28, 444.33 and 205.56

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Solution

The fourth proportional to 296.28, 444.33 and 205.56 is: 308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.28 : 444.33 = 205.56 : x
  2. Step 2: Convert to fraction form
    296.28/444.33 = 205.56/x
  3. Step 3: Cross multiply
    296.28x = 444.33 × 205.56
  4. Step 4: Simplify right side
    296.28x = 91,336.47
  5. Step 5: Solve for x
    x = 91,336.47/296.28
  6. Step 6: Final answer
    x = 308.28

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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.