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Finding the Fourth Proportional to 795.04, 1,192.56 and 217.92

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Solution

The fourth proportional to 795.04, 1,192.56 and 217.92 is: 326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.04 : 1,192.56 = 217.92 : x
  2. Step 2: Convert to fraction form
    795.04/1,192.56 = 217.92/x
  3. Step 3: Cross multiply
    795.04x = 1,192.56 × 217.92
  4. Step 4: Simplify right side
    795.04x = 259,882.68
  5. Step 5: Solve for x
    x = 259,882.68/795.04
  6. Step 6: Final answer
    x = 326.88

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Double scale
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1.5x scale

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.