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Finding the Fourth Proportional to 336.66, 464.86 and 271.48

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Solution

The fourth proportional to 336.66, 464.86 and 271.48 is: 374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.66 : 464.86 = 271.48 : x
  2. Step 2: Convert to fraction form
    336.66/464.86 = 271.48/x
  3. Step 3: Cross multiply
    336.66x = 464.86 × 271.48
  4. Step 4: Simplify right side
    336.66x = 126,200.19
  5. Step 5: Solve for x
    x = 126,200.19/336.66
  6. Step 6: Final answer
    x = 374.86

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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.