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Finding the Fourth Proportional to 264.81, 365.23 and 171.58

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Solution

The fourth proportional to 264.81, 365.23 and 171.58 is: 236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.81 : 365.23 = 171.58 : x
  2. Step 2: Convert to fraction form
    264.81/365.23 = 171.58/x
  3. Step 3: Cross multiply
    264.81x = 365.23 × 171.58
  4. Step 4: Simplify right side
    264.81x = 62,665.60
  5. Step 5: Solve for x
    x = 62,665.60/264.81
  6. Step 6: Final answer
    x = 236.64

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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.