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Finding the Fourth Proportional to 339.34, 467.34 and 332.18

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Solution

The fourth proportional to 339.34, 467.34 and 332.18 is: 457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.34 : 467.34 = 332.18 : x
  2. Step 2: Convert to fraction form
    339.34/467.34 = 332.18/x
  3. Step 3: Cross multiply
    339.34x = 467.34 × 332.18
  4. Step 4: Simplify right side
    339.34x = 155,241.00
  5. Step 5: Solve for x
    x = 155,241.00/339.34
  6. Step 6: Final answer
    x = 457.48

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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.