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Finding the Fourth Proportional to 838,997.40, 1,258,496.10 and 838,997.40

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Solution

The fourth proportional to 838,997.40, 1,258,496.10 and 838,997.40 is: 1,258,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,997.40 : 1,258,496.10 = 838,997.40 : x
  2. Step 2: Convert to fraction form
    838,997.40/1,258,496.10 = 838,997.40/x
  3. Step 3: Cross multiply
    838,997.40x = 1,258,496.10 × 838,997.40
  4. Step 4: Simplify right side
    838,997.40x = 1,055,874,955,810.14
  5. Step 5: Solve for x
    x = 1,055,874,955,810.14/838,997.40
  6. Step 6: Final answer
    x = 1,258,496.10

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