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Finding the Fourth Proportional to 334.53, 461.34 and 329.97

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Solution

The fourth proportional to 334.53, 461.34 and 329.97 is: 455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.53 : 461.34 = 329.97 : x
  2. Step 2: Convert to fraction form
    334.53/461.34 = 329.97/x
  3. Step 3: Cross multiply
    334.53x = 461.34 × 329.97
  4. Step 4: Simplify right side
    334.53x = 152,228.36
  5. Step 5: Solve for x
    x = 152,228.36/334.53
  6. Step 6: Final answer
    x = 455.05

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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.