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Finding the Fourth Proportional to 233.65, 322.26 and 171.46

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Solution

The fourth proportional to 233.65, 322.26 and 171.46 is: 236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.65 : 322.26 = 171.46 : x
  2. Step 2: Convert to fraction form
    233.65/322.26 = 171.46/x
  3. Step 3: Cross multiply
    233.65x = 322.26 × 171.46
  4. Step 4: Simplify right side
    233.65x = 55,254.70
  5. Step 5: Solve for x
    x = 55,254.70/233.65
  6. Step 6: Final answer
    x = 236.48

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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.