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Finding the Fourth Proportional to 332.09, 498.27 and 158.76

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Solution

The fourth proportional to 332.09, 498.27 and 158.76 is: 238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.09 : 498.27 = 158.76 : x
  2. Step 2: Convert to fraction form
    332.09/498.27 = 158.76/x
  3. Step 3: Cross multiply
    332.09x = 498.27 × 158.76
  4. Step 4: Simplify right side
    332.09x = 79,105.35
  5. Step 5: Solve for x
    x = 79,105.35/332.09
  6. Step 6: Final answer
    x = 238.21

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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.