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Finding the Fourth Proportional to 543,656.20, 815,484.30 and 169,630.60

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Solution

The fourth proportional to 543,656.20, 815,484.30 and 169,630.60 is: 254,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,656.20 : 815,484.30 = 169,630.60 : x
  2. Step 2: Convert to fraction form
    543,656.20/815,484.30 = 169,630.60/x
  3. Step 3: Cross multiply
    543,656.20x = 815,484.30 × 169,630.60
  4. Step 4: Simplify right side
    543,656.20x = 138,331,091,099.58
  5. Step 5: Solve for x
    x = 138,331,091,099.58/543,656.20
  6. Step 6: Final answer
    x = 254,445.90

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