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Finding the Fourth Proportional to 332.34, 498.18 and 167.70

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Solution

The fourth proportional to 332.34, 498.18 and 167.70 is: 251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.34 : 498.18 = 167.70 : x
  2. Step 2: Convert to fraction form
    332.34/498.18 = 167.70/x
  3. Step 3: Cross multiply
    332.34x = 498.18 × 167.70
  4. Step 4: Simplify right side
    332.34x = 83,544.79
  5. Step 5: Solve for x
    x = 83,544.79/332.34
  6. Step 6: Final answer
    x = 251.38

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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.