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Finding the Fourth Proportional to 264.26, 364.72 and 171.11

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Solution

The fourth proportional to 264.26, 364.72 and 171.11 is: 236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.26 : 364.72 = 171.11 : x
  2. Step 2: Convert to fraction form
    264.26/364.72 = 171.11/x
  3. Step 3: Cross multiply
    264.26x = 364.72 × 171.11
  4. Step 4: Simplify right side
    264.26x = 62,407.72
  5. Step 5: Solve for x
    x = 62,407.72/264.26
  6. Step 6: Final answer
    x = 236.16

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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.