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Finding the Fourth Proportional to 334.65, 461.91 and 236.43

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Solution

The fourth proportional to 334.65, 461.91 and 236.43 is: 326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.65 : 461.91 = 236.43 : x
  2. Step 2: Convert to fraction form
    334.65/461.91 = 236.43/x
  3. Step 3: Cross multiply
    334.65x = 461.91 × 236.43
  4. Step 4: Simplify right side
    334.65x = 109,209.38
  5. Step 5: Solve for x
    x = 109,209.38/334.65
  6. Step 6: Final answer
    x = 326.34

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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.