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Finding the Fourth Proportional to 338.20, 467.58 and 332.96

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Solution

The fourth proportional to 338.20, 467.58 and 332.96 is: 460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.20 : 467.58 = 332.96 : x
  2. Step 2: Convert to fraction form
    338.20/467.58 = 332.96/x
  3. Step 3: Cross multiply
    338.20x = 467.58 × 332.96
  4. Step 4: Simplify right side
    338.20x = 155,685.44
  5. Step 5: Solve for x
    x = 155,685.44/338.20
  6. Step 6: Final answer
    x = 460.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.