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Finding the Fourth Proportional to 298.13, 446.96 and 182.55

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Solution

The fourth proportional to 298.13, 446.96 and 182.55 is: 273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.13 : 446.96 = 182.55 : x
  2. Step 2: Convert to fraction form
    298.13/446.96 = 182.55/x
  3. Step 3: Cross multiply
    298.13x = 446.96 × 182.55
  4. Step 4: Simplify right side
    298.13x = 81,592.55
  5. Step 5: Solve for x
    x = 81,592.55/298.13
  6. Step 6: Final answer
    x = 273.68

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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.