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Finding the Fourth Proportional to 296.47, 444.87 and 159.49

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Solution

The fourth proportional to 296.47, 444.87 and 159.49 is: 239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.47 : 444.87 = 159.49 : x
  2. Step 2: Convert to fraction form
    296.47/444.87 = 159.49/x
  3. Step 3: Cross multiply
    296.47x = 444.87 × 159.49
  4. Step 4: Simplify right side
    296.47x = 70,952.32
  5. Step 5: Solve for x
    x = 70,952.32/296.47
  6. Step 6: Final answer
    x = 239.32

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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.