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Finding the Fourth Proportional to 299.49, 412.86 and 244

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Solution

The fourth proportional to 299.49, 412.86 and 244 is: 336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.49 : 412.86 = 244 : x
  2. Step 2: Convert to fraction form
    299.49/412.86 = 244/x
  3. Step 3: Cross multiply
    299.49x = 412.86 × 244
  4. Step 4: Simplify right side
    299.49x = 100,737.84
  5. Step 5: Solve for x
    x = 100,737.84/299.49
  6. Step 6: Final answer
    x = 336.36

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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.