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Finding the Fourth Proportional to 462.35, 693.60 and 173.81

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Solution

The fourth proportional to 462.35, 693.60 and 173.81 is: 260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.35 : 693.60 = 173.81 : x
  2. Step 2: Convert to fraction form
    462.35/693.60 = 173.81/x
  3. Step 3: Cross multiply
    462.35x = 693.60 × 173.81
  4. Step 4: Simplify right side
    462.35x = 120,554.62
  5. Step 5: Solve for x
    x = 120,554.62/462.35
  6. Step 6: Final answer
    x = 260.74

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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.