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Finding the Fourth Proportional to 299,207.70, 448,033.95 and 236,481.30

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Solution

The fourth proportional to 299,207.70, 448,033.95 and 236,481.30 is: 354,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,207.70 : 448,033.95 = 236,481.30 : x
  2. Step 2: Convert to fraction form
    299,207.70/448,033.95 = 236,481.30/x
  3. Step 3: Cross multiply
    299,207.70x = 448,033.95 × 236,481.30
  4. Step 4: Simplify right side
    299,207.70x = 105,951,650,940.14
  5. Step 5: Solve for x
    x = 105,951,650,940.14/299,207.70
  6. Step 6: Final answer
    x = 354,107.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.