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Finding the Fourth Proportional to 378,541.60, 567,812.40 and 310,890.40

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Solution

The fourth proportional to 378,541.60, 567,812.40 and 310,890.40 is: 466,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,541.60 : 567,812.40 = 310,890.40 : x
  2. Step 2: Convert to fraction form
    378,541.60/567,812.40 = 310,890.40/x
  3. Step 3: Cross multiply
    378,541.60x = 567,812.40 × 310,890.40
  4. Step 4: Simplify right side
    378,541.60x = 176,527,424,160.96
  5. Step 5: Solve for x
    x = 176,527,424,160.96/378,541.60
  6. Step 6: Final answer
    x = 466,335.60

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