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Finding the Fourth Proportional to 336.26, 466.01 and 331.13

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Solution

The fourth proportional to 336.26, 466.01 and 331.13 is: 458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.26 : 466.01 = 331.13 : x
  2. Step 2: Convert to fraction form
    336.26/466.01 = 331.13/x
  3. Step 3: Cross multiply
    336.26x = 466.01 × 331.13
  4. Step 4: Simplify right side
    336.26x = 154,309.89
  5. Step 5: Solve for x
    x = 154,309.89/336.26
  6. Step 6: Final answer
    x = 458.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.