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Finding the Fourth Proportional to 348.94, 523.41 and 92.44

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Solution

The fourth proportional to 348.94, 523.41 and 92.44 is: 138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.94 : 523.41 = 92.44 : x
  2. Step 2: Convert to fraction form
    348.94/523.41 = 92.44/x
  3. Step 3: Cross multiply
    348.94x = 523.41 × 92.44
  4. Step 4: Simplify right side
    348.94x = 48,384.02
  5. Step 5: Solve for x
    x = 48,384.02/348.94
  6. Step 6: Final answer
    x = 138.66

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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.