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Finding the Fourth Proportional to 1,318,541.90, 1,978,428.14 and 466,259.02

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Solution

The fourth proportional to 1,318,541.90, 1,978,428.14 and 466,259.02 is: 699,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,541.90 : 1,978,428.14 = 466,259.02 : x
  2. Step 2: Convert to fraction form
    1,318,541.90/1,978,428.14 = 466,259.02/x
  3. Step 3: Cross multiply
    1,318,541.90x = 1,978,428.14 × 466,259.02
  4. Step 4: Simplify right side
    1,318,541.90x = 922,459,960,167.93
  5. Step 5: Solve for x
    x = 922,459,960,167.93/1,318,541.90
  6. Step 6: Final answer
    x = 699,606.11

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