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Finding the Fourth Proportional to 348.46, 522.62 and 132

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Solution

The fourth proportional to 348.46, 522.62 and 132 is: 197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.46 : 522.62 = 132 : x
  2. Step 2: Convert to fraction form
    348.46/522.62 = 132/x
  3. Step 3: Cross multiply
    348.46x = 522.62 × 132
  4. Step 4: Simplify right side
    348.46x = 68,985.84
  5. Step 5: Solve for x
    x = 68,985.84/348.46
  6. Step 6: Final answer
    x = 197.97

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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.