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Finding the Fourth Proportional to 362.12, 499.62 and 204.74

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Solution

The fourth proportional to 362.12, 499.62 and 204.74 is: 282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.12 : 499.62 = 204.74 : x
  2. Step 2: Convert to fraction form
    362.12/499.62 = 204.74/x
  3. Step 3: Cross multiply
    362.12x = 499.62 × 204.74
  4. Step 4: Simplify right side
    362.12x = 102,292.20
  5. Step 5: Solve for x
    x = 102,292.20/362.12
  6. Step 6: Final answer
    x = 282.48

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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.