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Finding the Fourth Proportional to 334.49, 461.46 and 236.31

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Solution

The fourth proportional to 334.49, 461.46 and 236.31 is: 326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.49 : 461.46 = 236.31 : x
  2. Step 2: Convert to fraction form
    334.49/461.46 = 236.31/x
  3. Step 3: Cross multiply
    334.49x = 461.46 × 236.31
  4. Step 4: Simplify right side
    334.49x = 109,047.61
  5. Step 5: Solve for x
    x = 109,047.61/334.49
  6. Step 6: Final answer
    x = 326.01

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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.