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Finding the Fourth Proportional to 623,870.88, 860,944.40 and 337,390.96

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Solution

The fourth proportional to 623,870.88, 860,944.40 and 337,390.96 is: 465,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,870.88 : 860,944.40 = 337,390.96 : x
  2. Step 2: Convert to fraction form
    623,870.88/860,944.40 = 337,390.96/x
  3. Step 3: Cross multiply
    623,870.88x = 860,944.40 × 337,390.96
  4. Step 4: Simplify right side
    623,870.88x = 290,474,856,662.80
  5. Step 5: Solve for x
    x = 290,474,856,662.80/623,870.88
  6. Step 6: Final answer
    x = 465,600.92

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