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Finding the Fourth Proportional to 332.12, 498.18 and 251.12

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Solution

The fourth proportional to 332.12, 498.18 and 251.12 is: 376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.12 : 498.18 = 251.12 : x
  2. Step 2: Convert to fraction form
    332.12/498.18 = 251.12/x
  3. Step 3: Cross multiply
    332.12x = 498.18 × 251.12
  4. Step 4: Simplify right side
    332.12x = 125,102.96
  5. Step 5: Solve for x
    x = 125,102.96/332.12
  6. Step 6: Final answer
    x = 376.68

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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.