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Finding the Fourth Proportional to 432,820.90, 648,247.20 and 273,388.60

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Solution

The fourth proportional to 432,820.90, 648,247.20 and 273,388.60 is: 409,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,820.90 : 648,247.20 = 273,388.60 : x
  2. Step 2: Convert to fraction form
    432,820.90/648,247.20 = 273,388.60/x
  3. Step 3: Cross multiply
    432,820.90x = 648,247.20 × 273,388.60
  4. Step 4: Simplify right side
    432,820.90x = 177,223,394,461.92
  5. Step 5: Solve for x
    x = 177,223,394,461.92/432,820.90
  6. Step 6: Final answer
    x = 409,461.27

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