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Finding the Fourth Proportional to 394,743.94, 544,713.52 and 233,570.75

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Solution

The fourth proportional to 394,743.94, 544,713.52 and 233,570.75 is: 322,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,743.94 : 544,713.52 = 233,570.75 : x
  2. Step 2: Convert to fraction form
    394,743.94/544,713.52 = 233,570.75/x
  3. Step 3: Cross multiply
    394,743.94x = 544,713.52 × 233,570.75
  4. Step 4: Simplify right side
    394,743.94x = 127,229,145,401.54
  5. Step 5: Solve for x
    x = 127,229,145,401.54/394,743.94
  6. Step 6: Final answer
    x = 322,308.04

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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.