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Finding the Fourth Proportional to 374,262.56, 561,481.44 and 255,989.60

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Solution

The fourth proportional to 374,262.56, 561,481.44 and 255,989.60 is: 384,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,262.56 : 561,481.44 = 255,989.60 : x
  2. Step 2: Convert to fraction form
    374,262.56/561,481.44 = 255,989.60/x
  3. Step 3: Cross multiply
    374,262.56x = 561,481.44 × 255,989.60
  4. Step 4: Simplify right side
    374,262.56x = 143,733,409,233.02
  5. Step 5: Solve for x
    x = 143,733,409,233.02/374,262.56
  6. Step 6: Final answer
    x = 384,044.32

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