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Finding the Fourth Proportional to 336.94, 466.96 and 331.81

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Solution

The fourth proportional to 336.94, 466.96 and 331.81 is: 459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.94 : 466.96 = 331.81 : x
  2. Step 2: Convert to fraction form
    336.94/466.96 = 331.81/x
  3. Step 3: Cross multiply
    336.94x = 466.96 × 331.81
  4. Step 4: Simplify right side
    336.94x = 154,942.00
  5. Step 5: Solve for x
    x = 154,942.00/336.94
  6. Step 6: Final answer
    x = 459.85

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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.