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Finding the Fourth Proportional to 5,978,649.64, 8,250,987.92 and 3,400,570.32

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Solution

The fourth proportional to 5,978,649.64, 8,250,987.92 and 3,400,570.32 is: 4,693,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,649.64 : 8,250,987.92 = 3,400,570.32 : x
  2. Step 2: Convert to fraction form
    5,978,649.64/8,250,987.92 = 3,400,570.32/x
  3. Step 3: Cross multiply
    5,978,649.64x = 8,250,987.92 × 3,400,570.32
  4. Step 4: Simplify right side
    5,978,649.64x = 28,058,064,631,430.53
  5. Step 5: Solve for x
    x = 28,058,064,631,430.53/5,978,649.64
  6. Step 6: Final answer
    x = 4,693,043.80

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