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Finding the Fourth Proportional to 368,946.40, 553,419.60 and 119,628.40

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Solution

The fourth proportional to 368,946.40, 553,419.60 and 119,628.40 is: 179,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,946.40 : 553,419.60 = 119,628.40 : x
  2. Step 2: Convert to fraction form
    368,946.40/553,419.60 = 119,628.40/x
  3. Step 3: Cross multiply
    368,946.40x = 553,419.60 × 119,628.40
  4. Step 4: Simplify right side
    368,946.40x = 66,204,701,276.64
  5. Step 5: Solve for x
    x = 66,204,701,276.64/368,946.40
  6. Step 6: Final answer
    x = 179,442.60

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