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Finding the Fourth Proportional to 676.11, 932.49 and 466.24

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Solution

The fourth proportional to 676.11, 932.49 and 466.24 is: 643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.11 : 932.49 = 466.24 : x
  2. Step 2: Convert to fraction form
    676.11/932.49 = 466.24/x
  3. Step 3: Cross multiply
    676.11x = 932.49 × 466.24
  4. Step 4: Simplify right side
    676.11x = 434,760.64
  5. Step 5: Solve for x
    x = 434,760.64/676.11
  6. Step 6: Final answer
    x = 643.03

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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.