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Finding the Fourth Proportional to 453,895.88, 680,141.28 and 311,809.28

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Solution

The fourth proportional to 453,895.88, 680,141.28 and 311,809.28 is: 467,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,895.88 : 680,141.28 = 311,809.28 : x
  2. Step 2: Convert to fraction form
    453,895.88/680,141.28 = 311,809.28/x
  3. Step 3: Cross multiply
    453,895.88x = 680,141.28 × 311,809.28
  4. Step 4: Simplify right side
    453,895.88x = 212,074,362,815.08
  5. Step 5: Solve for x
    x = 212,074,362,815.08/453,895.88
  6. Step 6: Final answer
    x = 467,231.30

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