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Finding the Fourth Proportional to 338.56, 466.94 and 233.62

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Solution

The fourth proportional to 338.56, 466.94 and 233.62 is: 322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.56 : 466.94 = 233.62 : x
  2. Step 2: Convert to fraction form
    338.56/466.94 = 233.62/x
  3. Step 3: Cross multiply
    338.56x = 466.94 × 233.62
  4. Step 4: Simplify right side
    338.56x = 109,085.35
  5. Step 5: Solve for x
    x = 109,085.35/338.56
  6. Step 6: Final answer
    x = 322.21

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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.