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Finding the Fourth Proportional to 352,038.15, 485,792.30 and 206,821.35

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Solution

The fourth proportional to 352,038.15, 485,792.30 and 206,821.35 is: 285,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,038.15 : 485,792.30 = 206,821.35 : x
  2. Step 2: Convert to fraction form
    352,038.15/485,792.30 = 206,821.35/x
  3. Step 3: Cross multiply
    352,038.15x = 485,792.30 × 206,821.35
  4. Step 4: Simplify right side
    352,038.15x = 100,472,219,822.66
  5. Step 5: Solve for x
    x = 100,472,219,822.66/352,038.15
  6. Step 6: Final answer
    x = 285,401.51

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