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Finding the Fourth Proportional to 394,447.70, 591,671.55 and 394,447.70

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Solution

The fourth proportional to 394,447.70, 591,671.55 and 394,447.70 is: 591,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,447.70 : 591,671.55 = 394,447.70 : x
  2. Step 2: Convert to fraction form
    394,447.70/591,671.55 = 394,447.70/x
  3. Step 3: Cross multiply
    394,447.70x = 591,671.55 × 394,447.70
  4. Step 4: Simplify right side
    394,447.70x = 233,383,482,052.94
  5. Step 5: Solve for x
    x = 233,383,482,052.94/394,447.70
  6. Step 6: Final answer
    x = 591,671.55

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