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Finding the Fourth Proportional to 394,344.39, 544,195.49 and 213,056.27

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Solution

The fourth proportional to 394,344.39, 544,195.49 and 213,056.27 is: 294,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,344.39 : 544,195.49 = 213,056.27 : x
  2. Step 2: Convert to fraction form
    394,344.39/544,195.49 = 213,056.27/x
  3. Step 3: Cross multiply
    394,344.39x = 544,195.49 × 213,056.27
  4. Step 4: Simplify right side
    394,344.39x = 115,944,257,463.96
  5. Step 5: Solve for x
    x = 115,944,257,463.96/394,344.39
  6. Step 6: Final answer
    x = 294,017.77

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1.5x scale

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.