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Finding the Fourth Proportional to 394,241.04, 544,052.55 and 212,952.97

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Solution

The fourth proportional to 394,241.04, 544,052.55 and 212,952.97 is: 293,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,241.04 : 544,052.55 = 212,952.97 : x
  2. Step 2: Convert to fraction form
    394,241.04/544,052.55 = 212,952.97/x
  3. Step 3: Cross multiply
    394,241.04x = 544,052.55 × 212,952.97
  4. Step 4: Simplify right side
    394,241.04x = 115,857,608,857.31
  5. Step 5: Solve for x
    x = 115,857,608,857.31/394,241.04
  6. Step 6: Final answer
    x = 293,875.06

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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.