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Finding the Fourth Proportional to 375.83, 563.82 and 132.35

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Solution

The fourth proportional to 375.83, 563.82 and 132.35 is: 198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.83 : 563.82 = 132.35 : x
  2. Step 2: Convert to fraction form
    375.83/563.82 = 132.35/x
  3. Step 3: Cross multiply
    375.83x = 563.82 × 132.35
  4. Step 4: Simplify right side
    375.83x = 74,621.58
  5. Step 5: Solve for x
    x = 74,621.58/375.83
  6. Step 6: Final answer
    x = 198.55

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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.