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Finding the Fourth Proportional to 590,586.80, 885,880.20 and 340,977.20

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Solution

The fourth proportional to 590,586.80, 885,880.20 and 340,977.20 is: 511,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,586.80 : 885,880.20 = 340,977.20 : x
  2. Step 2: Convert to fraction form
    590,586.80/885,880.20 = 340,977.20/x
  3. Step 3: Cross multiply
    590,586.80x = 885,880.20 × 340,977.20
  4. Step 4: Simplify right side
    590,586.80x = 302,064,950,131.44
  5. Step 5: Solve for x
    x = 302,064,950,131.44/590,586.80
  6. Step 6: Final answer
    x = 511,465.80

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