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Finding the Fourth Proportional to 336.21, 463.92 and 196.35

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Solution

The fourth proportional to 336.21, 463.92 and 196.35 is: 270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.21 : 463.92 = 196.35 : x
  2. Step 2: Convert to fraction form
    336.21/463.92 = 196.35/x
  3. Step 3: Cross multiply
    336.21x = 463.92 × 196.35
  4. Step 4: Simplify right side
    336.21x = 91,090.69
  5. Step 5: Solve for x
    x = 91,090.69/336.21
  6. Step 6: Final answer
    x = 270.93

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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.