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Finding the Fourth Proportional to 296.44, 444.66 and 159.76

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Solution

The fourth proportional to 296.44, 444.66 and 159.76 is: 239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.44 : 444.66 = 159.76 : x
  2. Step 2: Convert to fraction form
    296.44/444.66 = 159.76/x
  3. Step 3: Cross multiply
    296.44x = 444.66 × 159.76
  4. Step 4: Simplify right side
    296.44x = 71,038.88
  5. Step 5: Solve for x
    x = 71,038.88/296.44
  6. Step 6: Final answer
    x = 239.64

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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.