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Finding the Fourth Proportional to 681,259.41, 940,092.62 and 394,728.39

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Solution

The fourth proportional to 681,259.41, 940,092.62 and 394,728.39 is: 544,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,259.41 : 940,092.62 = 394,728.39 : x
  2. Step 2: Convert to fraction form
    681,259.41/940,092.62 = 394,728.39/x
  3. Step 3: Cross multiply
    681,259.41x = 940,092.62 × 394,728.39
  4. Step 4: Simplify right side
    681,259.41x = 371,081,244,369.84
  5. Step 5: Solve for x
    x = 371,081,244,369.84/681,259.41
  6. Step 6: Final answer
    x = 544,698.89

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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.