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Finding the Fourth Proportional to 528,026.80, 792,040.20 and 512,474.80

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Solution

The fourth proportional to 528,026.80, 792,040.20 and 512,474.80 is: 768,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,026.80 : 792,040.20 = 512,474.80 : x
  2. Step 2: Convert to fraction form
    528,026.80/792,040.20 = 512,474.80/x
  3. Step 3: Cross multiply
    528,026.80x = 792,040.20 × 512,474.80
  4. Step 4: Simplify right side
    528,026.80x = 405,900,643,086.96
  5. Step 5: Solve for x
    x = 405,900,643,086.96/528,026.80
  6. Step 6: Final answer
    x = 768,712.20

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