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Finding the Fourth Proportional to 554,411.40, 831,617.10 and 365,454.60

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Solution

The fourth proportional to 554,411.40, 831,617.10 and 365,454.60 is: 548,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,411.40 : 831,617.10 = 365,454.60 : x
  2. Step 2: Convert to fraction form
    554,411.40/831,617.10 = 365,454.60/x
  3. Step 3: Cross multiply
    554,411.40x = 831,617.10 × 365,454.60
  4. Step 4: Simplify right side
    554,411.40x = 303,918,294,633.66
  5. Step 5: Solve for x
    x = 303,918,294,633.66/554,411.40
  6. Step 6: Final answer
    x = 548,181.90

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