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Finding the Fourth Proportional to 783,398.03, 1,080,992.52 and 477,362.88

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Solution

The fourth proportional to 783,398.03, 1,080,992.52 and 477,362.88 is: 658,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,398.03 : 1,080,992.52 = 477,362.88 : x
  2. Step 2: Convert to fraction form
    783,398.03/1,080,992.52 = 477,362.88/x
  3. Step 3: Cross multiply
    783,398.03x = 1,080,992.52 × 477,362.88
  4. Step 4: Simplify right side
    783,398.03x = 516,025,702,605.66
  5. Step 5: Solve for x
    x = 516,025,702,605.66/783,398.03
  6. Step 6: Final answer
    x = 658,701.82

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