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Finding the Fourth Proportional to 462.89, 693.93 and 174.13

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Solution

The fourth proportional to 462.89, 693.93 and 174.13 is: 261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.89 : 693.93 = 174.13 : x
  2. Step 2: Convert to fraction form
    462.89/693.93 = 174.13/x
  3. Step 3: Cross multiply
    462.89x = 693.93 × 174.13
  4. Step 4: Simplify right side
    462.89x = 120,830.56
  5. Step 5: Solve for x
    x = 120,830.56/462.89
  6. Step 6: Final answer
    x = 261.04

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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.