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Finding the Fourth Proportional to 419,541.01, 578,970.57 and 238,256.71

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Solution

The fourth proportional to 419,541.01, 578,970.57 and 238,256.71 is: 328,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,541.01 : 578,970.57 = 238,256.71 : x
  2. Step 2: Convert to fraction form
    419,541.01/578,970.57 = 238,256.71/x
  3. Step 3: Cross multiply
    419,541.01x = 578,970.57 × 238,256.71
  4. Step 4: Simplify right side
    419,541.01x = 137,943,623,195.03
  5. Step 5: Solve for x
    x = 137,943,623,195.03/419,541.01
  6. Step 6: Final answer
    x = 328,796.52

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