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Finding the Fourth Proportional to 682,857.97, 942,344.16 and 376,934.52

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Solution

The fourth proportional to 682,857.97, 942,344.16 and 376,934.52 is: 520,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,857.97 : 942,344.16 = 376,934.52 : x
  2. Step 2: Convert to fraction form
    682,857.97/942,344.16 = 376,934.52/x
  3. Step 3: Cross multiply
    682,857.97x = 942,344.16 × 376,934.52
  4. Step 4: Simplify right side
    682,857.97x = 355,202,043,624.40
  5. Step 5: Solve for x
    x = 355,202,043,624.40/682,857.97
  6. Step 6: Final answer
    x = 520,169.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.