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Finding the Fourth Proportional to 263.76, 394.53 and 182.34

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Solution

The fourth proportional to 263.76, 394.53 and 182.34 is: 272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.76 : 394.53 = 182.34 : x
  2. Step 2: Convert to fraction form
    263.76/394.53 = 182.34/x
  3. Step 3: Cross multiply
    263.76x = 394.53 × 182.34
  4. Step 4: Simplify right side
    263.76x = 71,938.60
  5. Step 5: Solve for x
    x = 71,938.60/263.76
  6. Step 6: Final answer
    x = 272.74

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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.