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Finding the Fourth Proportional to 264.56, 365.00 and 171.42

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Solution

The fourth proportional to 264.56, 365.00 and 171.42 is: 236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.56 : 365.00 = 171.42 : x
  2. Step 2: Convert to fraction form
    264.56/365.00 = 171.42/x
  3. Step 3: Cross multiply
    264.56x = 365.00 × 171.42
  4. Step 4: Simplify right side
    264.56x = 62,568.13
  5. Step 5: Solve for x
    x = 62,568.13/264.56
  6. Step 6: Final answer
    x = 236.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.