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Finding the Fourth Proportional to 298.04, 446.92 and 92.54

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Solution

The fourth proportional to 298.04, 446.92 and 92.54 is: 138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.04 : 446.92 = 92.54 : x
  2. Step 2: Convert to fraction form
    298.04/446.92 = 92.54/x
  3. Step 3: Cross multiply
    298.04x = 446.92 × 92.54
  4. Step 4: Simplify right side
    298.04x = 41,358.86
  5. Step 5: Solve for x
    x = 41,358.86/298.04
  6. Step 6: Final answer
    x = 138.77

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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.