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Finding the Fourth Proportional to 334.80, 462.24 and 236.88

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Solution

The fourth proportional to 334.80, 462.24 and 236.88 is: 327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.80 : 462.24 = 236.88 : x
  2. Step 2: Convert to fraction form
    334.80/462.24 = 236.88/x
  3. Step 3: Cross multiply
    334.80x = 462.24 × 236.88
  4. Step 4: Simplify right side
    334.80x = 109,495.41
  5. Step 5: Solve for x
    x = 109,495.41/334.80
  6. Step 6: Final answer
    x = 327.05

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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.