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Finding the Fourth Proportional to 336.92, 465.54 and 243.96

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Solution

The fourth proportional to 336.92, 465.54 and 243.96 is: 337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.92 : 465.54 = 243.96 : x
  2. Step 2: Convert to fraction form
    336.92/465.54 = 243.96/x
  3. Step 3: Cross multiply
    336.92x = 465.54 × 243.96
  4. Step 4: Simplify right side
    336.92x = 113,573.14
  5. Step 5: Solve for x
    x = 113,573.14/336.92
  6. Step 6: Final answer
    x = 337.09

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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.