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Finding the Fourth Proportional to 394,791.37, 544,778.94 and 233,618.38

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Solution

The fourth proportional to 394,791.37, 544,778.94 and 233,618.38 is: 322,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,791.37 : 544,778.94 = 233,618.38 : x
  2. Step 2: Convert to fraction form
    394,791.37/544,778.94 = 233,618.38/x
  3. Step 3: Cross multiply
    394,791.37x = 544,778.94 × 233,618.38
  4. Step 4: Simplify right side
    394,791.37x = 127,270,373,420.92
  5. Step 5: Solve for x
    x = 127,270,373,420.92/394,791.37
  6. Step 6: Final answer
    x = 322,373.75

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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.