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Finding the Fourth Proportional to 265, 396.68 and 182.56

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Solution

The fourth proportional to 265, 396.68 and 182.56 is: 273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    265 : 396.68 = 182.56 : x
  2. Step 2: Convert to fraction form
    265/396.68 = 182.56/x
  3. Step 3: Cross multiply
    265x = 396.68 × 182.56
  4. Step 4: Simplify right side
    265x = 72,417.90
  5. Step 5: Solve for x
    x = 72,417.90/265
  6. Step 6: Final answer
    x = 273.28

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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.