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Finding the Fourth Proportional to 401,047.20, 601,376.40 and 223,365.60

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Solution

The fourth proportional to 401,047.20, 601,376.40 and 223,365.60 is: 334,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,047.20 : 601,376.40 = 223,365.60 : x
  2. Step 2: Convert to fraction form
    401,047.20/601,376.40 = 223,365.60/x
  3. Step 3: Cross multiply
    401,047.20x = 601,376.40 × 223,365.60
  4. Step 4: Simplify right side
    401,047.20x = 134,326,800,411.84
  5. Step 5: Solve for x
    x = 134,326,800,411.84/401,047.20
  6. Step 6: Final answer
    x = 334,940.13

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