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Finding the Fourth Proportional to 296.45, 444.67 and 159.56

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Solution

The fourth proportional to 296.45, 444.67 and 159.56 is: 239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.45 : 444.67 = 159.56 : x
  2. Step 2: Convert to fraction form
    296.45/444.67 = 159.56/x
  3. Step 3: Cross multiply
    296.45x = 444.67 × 159.56
  4. Step 4: Simplify right side
    296.45x = 70,948.92
  5. Step 5: Solve for x
    x = 70,948.92/296.45
  6. Step 6: Final answer
    x = 239.33

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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.