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Finding the Fourth Proportional to 453,868.80, 680,803.20 and 425,875.20

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Solution

The fourth proportional to 453,868.80, 680,803.20 and 425,875.20 is: 638,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,868.80 : 680,803.20 = 425,875.20 : x
  2. Step 2: Convert to fraction form
    453,868.80/680,803.20 = 425,875.20/x
  3. Step 3: Cross multiply
    453,868.80x = 680,803.20 × 425,875.20
  4. Step 4: Simplify right side
    453,868.80x = 289,937,198,960.64
  5. Step 5: Solve for x
    x = 289,937,198,960.64/453,868.80
  6. Step 6: Final answer
    x = 638,812.80

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