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Finding the Fourth Proportional to 338.20, 466.93 and 233.26

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Solution

The fourth proportional to 338.20, 466.93 and 233.26 is: 322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.20 : 466.93 = 233.26 : x
  2. Step 2: Convert to fraction form
    338.20/466.93 = 233.26/x
  3. Step 3: Cross multiply
    338.20x = 466.93 × 233.26
  4. Step 4: Simplify right side
    338.20x = 108,914.34
  5. Step 5: Solve for x
    x = 108,914.34/338.20
  6. Step 6: Final answer
    x = 322.04

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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.