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Finding the Fourth Proportional to 323,820.60, 485,615.70 and 146,412.60

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Solution

The fourth proportional to 323,820.60, 485,615.70 and 146,412.60 is: 219,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,820.60 : 485,615.70 = 146,412.60 : x
  2. Step 2: Convert to fraction form
    323,820.60/485,615.70 = 146,412.60/x
  3. Step 3: Cross multiply
    323,820.60x = 485,615.70 × 146,412.60
  4. Step 4: Simplify right side
    323,820.60x = 71,100,257,237.82
  5. Step 5: Solve for x
    x = 71,100,257,237.82/323,820.60
  6. Step 6: Final answer
    x = 219,566.81

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