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Finding the Fourth Proportional to 273.68, 410.61 and 182.55

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Solution

The fourth proportional to 273.68, 410.61 and 182.55 is: 273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.68 : 410.61 = 182.55 : x
  2. Step 2: Convert to fraction form
    273.68/410.61 = 182.55/x
  3. Step 3: Cross multiply
    273.68x = 410.61 × 182.55
  4. Step 4: Simplify right side
    273.68x = 74,956.86
  5. Step 5: Solve for x
    x = 74,956.86/273.68
  6. Step 6: Final answer
    x = 273.89

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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.