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Finding the Fourth Proportional to 296.56, 444.68 and 159.28

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Solution

The fourth proportional to 296.56, 444.68 and 159.28 is: 238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.56 : 444.68 = 159.28 : x
  2. Step 2: Convert to fraction form
    296.56/444.68 = 159.28/x
  3. Step 3: Cross multiply
    296.56x = 444.68 × 159.28
  4. Step 4: Simplify right side
    296.56x = 70,828.63
  5. Step 5: Solve for x
    x = 70,828.63/296.56
  6. Step 6: Final answer
    x = 238.83

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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.