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Finding the Fourth Proportional to 263.56, 394.88 and 182.10

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Solution

The fourth proportional to 263.56, 394.88 and 182.10 is: 272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.56 : 394.88 = 182.10 : x
  2. Step 2: Convert to fraction form
    263.56/394.88 = 182.10/x
  3. Step 3: Cross multiply
    263.56x = 394.88 × 182.10
  4. Step 4: Simplify right side
    263.56x = 71,907.65
  5. Step 5: Solve for x
    x = 71,907.65/263.56
  6. Step 6: Final answer
    x = 272.83

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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.