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Finding the Fourth Proportional to 362.41, 499.91 and 338.11

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Solution

The fourth proportional to 362.41, 499.91 and 338.11 is: 466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.41 : 499.91 = 338.11 : x
  2. Step 2: Convert to fraction form
    362.41/499.91 = 338.11/x
  3. Step 3: Cross multiply
    362.41x = 499.91 × 338.11
  4. Step 4: Simplify right side
    362.41x = 169,021.63
  5. Step 5: Solve for x
    x = 169,021.63/362.41
  6. Step 6: Final answer
    x = 466.39

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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.