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Finding the Fourth Proportional to 339,397.80, 509,096.70 and 323,845.80

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Solution

The fourth proportional to 339,397.80, 509,096.70 and 323,845.80 is: 485,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,397.80 : 509,096.70 = 323,845.80 : x
  2. Step 2: Convert to fraction form
    339,397.80/509,096.70 = 323,845.80/x
  3. Step 3: Cross multiply
    339,397.80x = 509,096.70 × 323,845.80
  4. Step 4: Simplify right side
    339,397.80x = 164,868,828,088.86
  5. Step 5: Solve for x
    x = 164,868,828,088.86/339,397.80
  6. Step 6: Final answer
    x = 485,768.70

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