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Finding the Fourth Proportional to 795, 1,192.52 and 217.89

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Solution

The fourth proportional to 795, 1,192.52 and 217.89 is: 326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    795 : 1,192.52 = 217.89 : x
  2. Step 2: Convert to fraction form
    795/1,192.52 = 217.89/x
  3. Step 3: Cross multiply
    795x = 1,192.52 × 217.89
  4. Step 4: Simplify right side
    795x = 259,837.09
  5. Step 5: Solve for x
    x = 259,837.09/795
  6. Step 6: Final answer
    x = 326.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.