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Finding the Fourth Proportional to 362.05, 499.58 and 204.66

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Solution

The fourth proportional to 362.05, 499.58 and 204.66 is: 282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.05 : 499.58 = 204.66 : x
  2. Step 2: Convert to fraction form
    362.05/499.58 = 204.66/x
  3. Step 3: Cross multiply
    362.05x = 499.58 × 204.66
  4. Step 4: Simplify right side
    362.05x = 102,243.79
  5. Step 5: Solve for x
    x = 102,243.79/362.05
  6. Step 6: Final answer
    x = 282.40

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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.