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Finding the Fourth Proportional to 362.46, 499.99 and 229.64

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Solution

The fourth proportional to 362.46, 499.99 and 229.64 is: 316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.46 : 499.99 = 229.64 : x
  2. Step 2: Convert to fraction form
    362.46/499.99 = 229.64/x
  3. Step 3: Cross multiply
    362.46x = 499.99 × 229.64
  4. Step 4: Simplify right side
    362.46x = 114,818.62
  5. Step 5: Solve for x
    x = 114,818.62/362.46
  6. Step 6: Final answer
    x = 316.78

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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.