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Finding the Fourth Proportional to 296.96, 445.44 and 159.80

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Solution

The fourth proportional to 296.96, 445.44 and 159.80 is: 239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.96 : 445.44 = 159.80 : x
  2. Step 2: Convert to fraction form
    296.96/445.44 = 159.80/x
  3. Step 3: Cross multiply
    296.96x = 445.44 × 159.80
  4. Step 4: Simplify right side
    296.96x = 71,181.31
  5. Step 5: Solve for x
    x = 71,181.31/296.96
  6. Step 6: Final answer
    x = 239.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.