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Finding the Fourth Proportional to 294, 441.46 and 132

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Solution

The fourth proportional to 294, 441.46 and 132 is: 198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    294 : 441.46 = 132 : x
  2. Step 2: Convert to fraction form
    294/441.46 = 132/x
  3. Step 3: Cross multiply
    294x = 441.46 × 132
  4. Step 4: Simplify right side
    294x = 58,272.72
  5. Step 5: Solve for x
    x = 58,272.72/294
  6. Step 6: Final answer
    x = 198.21

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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.