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Finding the Fourth Proportional to 332.12, 498.00 and 216.56

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Solution

The fourth proportional to 332.12, 498.00 and 216.56 is: 324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.12 : 498.00 = 216.56 : x
  2. Step 2: Convert to fraction form
    332.12/498.00 = 216.56/x
  3. Step 3: Cross multiply
    332.12x = 498.00 × 216.56
  4. Step 4: Simplify right side
    332.12x = 107,848.94
  5. Step 5: Solve for x
    x = 107,848.94/332.12
  6. Step 6: Final answer
    x = 324.73

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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.