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Finding the Fourth Proportional to 298.05, 446.94 and 168

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Solution

The fourth proportional to 298.05, 446.94 and 168 is: 251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.05 : 446.94 = 168 : x
  2. Step 2: Convert to fraction form
    298.05/446.94 = 168/x
  3. Step 3: Cross multiply
    298.05x = 446.94 × 168
  4. Step 4: Simplify right side
    298.05x = 75,085.92
  5. Step 5: Solve for x
    x = 75,085.92/298.05
  6. Step 6: Final answer
    x = 251.92

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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.