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Finding the Fourth Proportional to 463.23, 694.31 and 174.33

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Solution

The fourth proportional to 463.23, 694.31 and 174.33 is: 261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.23 : 694.31 = 174.33 : x
  2. Step 2: Convert to fraction form
    463.23/694.31 = 174.33/x
  3. Step 3: Cross multiply
    463.23x = 694.31 × 174.33
  4. Step 4: Simplify right side
    463.23x = 121,038.19
  5. Step 5: Solve for x
    x = 121,038.19/463.23
  6. Step 6: Final answer
    x = 261.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.