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Finding the Fourth Proportional to 348.48, 522.52 and 132.08

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Solution

The fourth proportional to 348.48, 522.52 and 132.08 is: 198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.48 : 522.52 = 132.08 : x
  2. Step 2: Convert to fraction form
    348.48/522.52 = 132.08/x
  3. Step 3: Cross multiply
    348.48x = 522.52 × 132.08
  4. Step 4: Simplify right side
    348.48x = 69,011.50
  5. Step 5: Solve for x
    x = 69,011.50/348.48
  6. Step 6: Final answer
    x = 198.04

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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.