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Finding the Fourth Proportional to 332.96, 499.59 and 159.71

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Solution

The fourth proportional to 332.96, 499.59 and 159.71 is: 239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.96 : 499.59 = 159.71 : x
  2. Step 2: Convert to fraction form
    332.96/499.59 = 159.71/x
  3. Step 3: Cross multiply
    332.96x = 499.59 × 159.71
  4. Step 4: Simplify right side
    332.96x = 79,787.02
  5. Step 5: Solve for x
    x = 79,787.02/332.96
  6. Step 6: Final answer
    x = 239.63

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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.