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Finding the Fourth Proportional to 335,879.20, 503,818.80 and 194,161.60

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Solution

The fourth proportional to 335,879.20, 503,818.80 and 194,161.60 is: 291,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,879.20 : 503,818.80 = 194,161.60 : x
  2. Step 2: Convert to fraction form
    335,879.20/503,818.80 = 194,161.60/x
  3. Step 3: Cross multiply
    335,879.20x = 503,818.80 × 194,161.60
  4. Step 4: Simplify right side
    335,879.20x = 97,822,264,318.08
  5. Step 5: Solve for x
    x = 97,822,264,318.08/335,879.20
  6. Step 6: Final answer
    x = 291,242.40

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