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Finding the Fourth Proportional to 394,497.66, 591,571.46 and 244,731.90

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Solution

The fourth proportional to 394,497.66, 591,571.46 and 244,731.90 is: 366,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,497.66 : 591,571.46 = 244,731.90 : x
  2. Step 2: Convert to fraction form
    394,497.66/591,571.46 = 244,731.90/x
  3. Step 3: Cross multiply
    394,497.66x = 591,571.46 × 244,731.90
  4. Step 4: Simplify right side
    394,497.66x = 144,776,407,391.57
  5. Step 5: Solve for x
    x = 144,776,407,391.57/394,497.66
  6. Step 6: Final answer
    x = 366,989.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.