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Finding the Fourth Proportional to 1,845,661.20, 2,769,010.20 and 899,062.80

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Solution

The fourth proportional to 1,845,661.20, 2,769,010.20 and 899,062.80 is: 1,348,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,661.20 : 2,769,010.20 = 899,062.80 : x
  2. Step 2: Convert to fraction form
    1,845,661.20/2,769,010.20 = 899,062.80/x
  3. Step 3: Cross multiply
    1,845,661.20x = 2,769,010.20 × 899,062.80
  4. Step 4: Simplify right side
    1,845,661.20x = 2,489,514,063,640.56
  5. Step 5: Solve for x
    x = 2,489,514,063,640.56/1,845,661.20
  6. Step 6: Final answer
    x = 1,348,846.72

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