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Finding the Fourth Proportional to 334.75, 462.03 and 210.41

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Solution

The fourth proportional to 334.75, 462.03 and 210.41 is: 290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.75 : 462.03 = 210.41 : x
  2. Step 2: Convert to fraction form
    334.75/462.03 = 210.41/x
  3. Step 3: Cross multiply
    334.75x = 462.03 × 210.41
  4. Step 4: Simplify right side
    334.75x = 97,215.73
  5. Step 5: Solve for x
    x = 97,215.73/334.75
  6. Step 6: Final answer
    x = 290.42

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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.