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Finding the Fourth Proportional to 329,608.63, 454,893.81 and 200,556.49

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Solution

The fourth proportional to 329,608.63, 454,893.81 and 200,556.49 is: 276,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,608.63 : 454,893.81 = 200,556.49 : x
  2. Step 2: Convert to fraction form
    329,608.63/454,893.81 = 200,556.49/x
  3. Step 3: Cross multiply
    329,608.63x = 454,893.81 × 200,556.49
  4. Step 4: Simplify right side
    329,608.63x = 91,231,905,856.33
  5. Step 5: Solve for x
    x = 91,231,905,856.33/329,608.63
  6. Step 6: Final answer
    x = 276,788.58

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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.