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Finding the Fourth Proportional to 263.54, 363.69 and 204.59

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Solution

The fourth proportional to 263.54, 363.69 and 204.59 is: 282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.54 : 363.69 = 204.59 : x
  2. Step 2: Convert to fraction form
    263.54/363.69 = 204.59/x
  3. Step 3: Cross multiply
    263.54x = 363.69 × 204.59
  4. Step 4: Simplify right side
    263.54x = 74,405.52
  5. Step 5: Solve for x
    x = 74,405.52/263.54
  6. Step 6: Final answer
    x = 282.34

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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.