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Finding the Fourth Proportional to 574,793.28, 860,090.40 and 338,247.36

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Solution

The fourth proportional to 574,793.28, 860,090.40 and 338,247.36 is: 506,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,793.28 : 860,090.40 = 338,247.36 : x
  2. Step 2: Convert to fraction form
    574,793.28/860,090.40 = 338,247.36/x
  3. Step 3: Cross multiply
    574,793.28x = 860,090.40 × 338,247.36
  4. Step 4: Simplify right side
    574,793.28x = 290,923,307,161.34
  5. Step 5: Solve for x
    x = 290,923,307,161.34/574,793.28
  6. Step 6: Final answer
    x = 506,135.54

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