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Finding the Fourth Proportional to 484,479,980.40, 726,719,970.60 and 484,479,980.40

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Solution

The fourth proportional to 484,479,980.40, 726,719,970.60 and 484,479,980.40 is: 726,719,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,479,980.40 : 726,719,970.60 = 484,479,980.40 : x
  2. Step 2: Convert to fraction form
    484,479,980.40/726,719,970.60 = 484,479,980.40/x
  3. Step 3: Cross multiply
    484,479,980.40x = 726,719,970.60 × 484,479,980.40
  4. Step 4: Simplify right side
    484,479,980.40x = 352,081,277,112,576,576
  5. Step 5: Solve for x
    x = 352,081,277,112,576,576/484,479,980.40
  6. Step 6: Final answer
    x = 726,719,970.60

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