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Finding the Fourth Proportional to 713,355.74, 1,069,722.54 and 269,812.70

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Solution

The fourth proportional to 713,355.74, 1,069,722.54 and 269,812.70 is: 404,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,355.74 : 1,069,722.54 = 269,812.70 : x
  2. Step 2: Convert to fraction form
    713,355.74/1,069,722.54 = 269,812.70/x
  3. Step 3: Cross multiply
    713,355.74x = 1,069,722.54 × 269,812.70
  4. Step 4: Simplify right side
    713,355.74x = 288,624,726,768.26
  5. Step 5: Solve for x
    x = 288,624,726,768.26/713,355.74
  6. Step 6: Final answer
    x = 404,601.39

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