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Finding the Fourth Proportional to 394,246.42, 544,059.97 and 212,958.36

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Solution

The fourth proportional to 394,246.42, 544,059.97 and 212,958.36 is: 293,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,246.42 : 544,059.97 = 212,958.36 : x
  2. Step 2: Convert to fraction form
    394,246.42/544,059.97 = 212,958.36/x
  3. Step 3: Cross multiply
    394,246.42x = 544,059.97 × 212,958.36
  4. Step 4: Simplify right side
    394,246.42x = 115,862,116,232.55
  5. Step 5: Solve for x
    x = 115,862,116,232.55/394,246.42
  6. Step 6: Final answer
    x = 293,882.48

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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.