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Finding the Fourth Proportional to 888,120.30, 1,330,649.55 and 413,832.90

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Solution

The fourth proportional to 888,120.30, 1,330,649.55 and 413,832.90 is: 620,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,120.30 : 1,330,649.55 = 413,832.90 : x
  2. Step 2: Convert to fraction form
    888,120.30/1,330,649.55 = 413,832.90/x
  3. Step 3: Cross multiply
    888,120.30x = 1,330,649.55 × 413,832.90
  4. Step 4: Simplify right side
    888,120.30x = 550,666,562,160.20
  5. Step 5: Solve for x
    x = 550,666,562,160.20/888,120.30
  6. Step 6: Final answer
    x = 620,036.00

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