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Finding the Fourth Proportional to 434,704.50, 599,688.09 and 307,450.26

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Solution

The fourth proportional to 434,704.50, 599,688.09 and 307,450.26 is: 424,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,704.50 : 599,688.09 = 307,450.26 : x
  2. Step 2: Convert to fraction form
    434,704.50/599,688.09 = 307,450.26/x
  3. Step 3: Cross multiply
    434,704.50x = 599,688.09 × 307,450.26
  4. Step 4: Simplify right side
    434,704.50x = 184,374,259,189.40
  5. Step 5: Solve for x
    x = 184,374,259,189.40/434,704.50
  6. Step 6: Final answer
    x = 424,136.99

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