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Finding the Fourth Proportional to 768,344.73, 1,060,454.52 and 458,267.20

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Solution

The fourth proportional to 768,344.73, 1,060,454.52 and 458,267.20 is: 632,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,344.73 : 1,060,454.52 = 458,267.20 : x
  2. Step 2: Convert to fraction form
    768,344.73/1,060,454.52 = 458,267.20/x
  3. Step 3: Cross multiply
    768,344.73x = 1,060,454.52 × 458,267.20
  4. Step 4: Simplify right side
    768,344.73x = 485,971,516,014.14
  5. Step 5: Solve for x
    x = 485,971,516,014.14/768,344.73
  6. Step 6: Final answer
    x = 632,491.51

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