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Finding the Fourth Proportional to 496,570.20, 685,211.18 and 292,607.88

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Solution

The fourth proportional to 496,570.20, 685,211.18 and 292,607.88 is: 403,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,570.20 : 685,211.18 = 292,607.88 : x
  2. Step 2: Convert to fraction form
    496,570.20/685,211.18 = 292,607.88/x
  3. Step 3: Cross multiply
    496,570.20x = 685,211.18 × 292,607.88
  4. Step 4: Simplify right side
    496,570.20x = 200,498,190,732.10
  5. Step 5: Solve for x
    x = 200,498,190,732.10/496,570.20
  6. Step 6: Final answer
    x = 403,766.06

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