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Finding the Fourth Proportional to 827,674.80, 1,240,856.10 and 453,697.80

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Solution

The fourth proportional to 827,674.80, 1,240,856.10 and 453,697.80 is: 680,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,674.80 : 1,240,856.10 = 453,697.80 : x
  2. Step 2: Convert to fraction form
    827,674.80/1,240,856.10 = 453,697.80/x
  3. Step 3: Cross multiply
    827,674.80x = 1,240,856.10 × 453,697.80
  4. Step 4: Simplify right side
    827,674.80x = 562,973,682,686.58
  5. Step 5: Solve for x
    x = 562,973,682,686.58/827,674.80
  6. Step 6: Final answer
    x = 680,187.05

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