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Finding the Fourth Proportional to 332.61, 498.80 and 159.27

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Solution

The fourth proportional to 332.61, 498.80 and 159.27 is: 238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.61 : 498.80 = 159.27 : x
  2. Step 2: Convert to fraction form
    332.61/498.80 = 159.27/x
  3. Step 3: Cross multiply
    332.61x = 498.80 × 159.27
  4. Step 4: Simplify right side
    332.61x = 79,443.08
  5. Step 5: Solve for x
    x = 79,443.08/332.61
  6. Step 6: Final answer
    x = 238.85

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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.