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Finding the Fourth Proportional to 294.97, 442.46 and 112.45

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Solution

The fourth proportional to 294.97, 442.46 and 112.45 is: 168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.97 : 442.46 = 112.45 : x
  2. Step 2: Convert to fraction form
    294.97/442.46 = 112.45/x
  3. Step 3: Cross multiply
    294.97x = 442.46 × 112.45
  4. Step 4: Simplify right side
    294.97x = 49,754.63
  5. Step 5: Solve for x
    x = 49,754.63/294.97
  6. Step 6: Final answer
    x = 168.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.