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Finding the Fourth Proportional to 482,859.40, 724,289.10 and 479,360.20

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Solution

The fourth proportional to 482,859.40, 724,289.10 and 479,360.20 is: 719,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,859.40 : 724,289.10 = 479,360.20 : x
  2. Step 2: Convert to fraction form
    482,859.40/724,289.10 = 479,360.20/x
  3. Step 3: Cross multiply
    482,859.40x = 724,289.10 × 479,360.20
  4. Step 4: Simplify right side
    482,859.40x = 347,195,367,833.82
  5. Step 5: Solve for x
    x = 347,195,367,833.82/482,859.40
  6. Step 6: Final answer
    x = 719,040.30

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