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Finding the Fourth Proportional to 808,707.83, 1,212,853.99 and 239,954.39

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Solution

The fourth proportional to 808,707.83, 1,212,853.99 and 239,954.39 is: 359,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,707.83 : 1,212,853.99 = 239,954.39 : x
  2. Step 2: Convert to fraction form
    808,707.83/1,212,853.99 = 239,954.39/x
  3. Step 3: Cross multiply
    808,707.83x = 1,212,853.99 × 239,954.39
  4. Step 4: Simplify right side
    808,707.83x = 291,029,643,126.82
  5. Step 5: Solve for x
    x = 291,029,643,126.82/808,707.83
  6. Step 6: Final answer
    x = 359,869.94

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