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Finding the Fourth Proportional to 294.58, 441.99 and 132.15

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Solution

The fourth proportional to 294.58, 441.99 and 132.15 is: 198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.58 : 441.99 = 132.15 : x
  2. Step 2: Convert to fraction form
    294.58/441.99 = 132.15/x
  3. Step 3: Cross multiply
    294.58x = 441.99 × 132.15
  4. Step 4: Simplify right side
    294.58x = 58,408.32
  5. Step 5: Solve for x
    x = 58,408.32/294.58
  6. Step 6: Final answer
    x = 198.28

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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.