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Finding the Fourth Proportional to 462.51, 693.90 and 173.97

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Solution

The fourth proportional to 462.51, 693.90 and 173.97 is: 261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.51 : 693.90 = 173.97 : x
  2. Step 2: Convert to fraction form
    462.51/693.90 = 173.97/x
  3. Step 3: Cross multiply
    462.51x = 693.90 × 173.97
  4. Step 4: Simplify right side
    462.51x = 120,717.78
  5. Step 5: Solve for x
    x = 120,717.78/462.51
  6. Step 6: Final answer
    x = 261.01

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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.