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Finding the Fourth Proportional to 259,746.70, 389,620.06 and 207,258.70

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Solution

The fourth proportional to 259,746.70, 389,620.06 and 207,258.70 is: 310,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,746.70 : 389,620.06 = 207,258.70 : x
  2. Step 2: Convert to fraction form
    259,746.70/389,620.06 = 207,258.70/x
  3. Step 3: Cross multiply
    259,746.70x = 389,620.06 × 207,258.70
  4. Step 4: Simplify right side
    259,746.70x = 80,752,147,129.52
  5. Step 5: Solve for x
    x = 80,752,147,129.52/259,746.70
  6. Step 6: Final answer
    x = 310,888.06

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