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Finding the Fourth Proportional to 264.57, 365.30 and 171.36

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Solution

The fourth proportional to 264.57, 365.30 and 171.36 is: 236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.57 : 365.30 = 171.36 : x
  2. Step 2: Convert to fraction form
    264.57/365.30 = 171.36/x
  3. Step 3: Cross multiply
    264.57x = 365.30 × 171.36
  4. Step 4: Simplify right side
    264.57x = 62,596.95
  5. Step 5: Solve for x
    x = 62,596.95/264.57
  6. Step 6: Final answer
    x = 236.60

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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.