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Finding the Fourth Proportional to 310,384.95, 465,903.19 and 275,072.19

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Solution

The fourth proportional to 310,384.95, 465,903.19 and 275,072.19 is: 412,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,384.95 : 465,903.19 = 275,072.19 : x
  2. Step 2: Convert to fraction form
    310,384.95/465,903.19 = 275,072.19/x
  3. Step 3: Cross multiply
    310,384.95x = 465,903.19 × 275,072.19
  4. Step 4: Simplify right side
    310,384.95x = 128,157,009,397.99
  5. Step 5: Solve for x
    x = 128,157,009,397.99/310,384.95
  6. Step 6: Final answer
    x = 412,896.99

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