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Finding the Fourth Proportional to 339.18, 467.43 and 332.94

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Solution

The fourth proportional to 339.18, 467.43 and 332.94 is: 458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.18 : 467.43 = 332.94 : x
  2. Step 2: Convert to fraction form
    339.18/467.43 = 332.94/x
  3. Step 3: Cross multiply
    339.18x = 467.43 × 332.94
  4. Step 4: Simplify right side
    339.18x = 155,626.14
  5. Step 5: Solve for x
    x = 155,626.14/339.18
  6. Step 6: Final answer
    x = 458.83

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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.