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Finding the Fourth Proportional to 336.74, 464.82 and 248.54

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Solution

The fourth proportional to 336.74, 464.82 and 248.54 is: 343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.74 : 464.82 = 248.54 : x
  2. Step 2: Convert to fraction form
    336.74/464.82 = 248.54/x
  3. Step 3: Cross multiply
    336.74x = 464.82 × 248.54
  4. Step 4: Simplify right side
    336.74x = 115,526.36
  5. Step 5: Solve for x
    x = 115,526.36/336.74
  6. Step 6: Final answer
    x = 343.07

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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.