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Finding the Fourth Proportional to 338.97, 466.79 and 332.09

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Solution

The fourth proportional to 338.97, 466.79 and 332.09 is: 457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.97 : 466.79 = 332.09 : x
  2. Step 2: Convert to fraction form
    338.97/466.79 = 332.09/x
  3. Step 3: Cross multiply
    338.97x = 466.79 × 332.09
  4. Step 4: Simplify right side
    338.97x = 155,016.29
  5. Step 5: Solve for x
    x = 155,016.29/338.97
  6. Step 6: Final answer
    x = 457.32

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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.