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Finding the Fourth Proportional to 394,390.44, 544,370.22 and 233,301.42

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Solution

The fourth proportional to 394,390.44, 544,370.22 and 233,301.42 is: 322,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,390.44 : 544,370.22 = 233,301.42 : x
  2. Step 2: Convert to fraction form
    394,390.44/544,370.22 = 233,301.42/x
  3. Step 3: Cross multiply
    394,390.44x = 544,370.22 × 233,301.42
  4. Step 4: Simplify right side
    394,390.44x = 127,002,345,331.71
  5. Step 5: Solve for x
    x = 127,002,345,331.71/394,390.44
  6. Step 6: Final answer
    x = 322,021.87

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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.