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Finding the Fourth Proportional to 348.67, 523.00 and 92.17

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Solution

The fourth proportional to 348.67, 523.00 and 92.17 is: 138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.67 : 523.00 = 92.17 : x
  2. Step 2: Convert to fraction form
    348.67/523.00 = 92.17/x
  3. Step 3: Cross multiply
    348.67x = 523.00 × 92.17
  4. Step 4: Simplify right side
    348.67x = 48,204.45
  5. Step 5: Solve for x
    x = 48,204.45/348.67
  6. Step 6: Final answer
    x = 138.25

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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.