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Finding the Fourth Proportional to 469,469.16, 647,808.03 and 278,445.24

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Solution

The fourth proportional to 469,469.16, 647,808.03 and 278,445.24 is: 384,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,469.16 : 647,808.03 = 278,445.24 : x
  2. Step 2: Convert to fraction form
    469,469.16/647,808.03 = 278,445.24/x
  3. Step 3: Cross multiply
    469,469.16x = 647,808.03 × 278,445.24
  4. Step 4: Simplify right side
    469,469.16x = 180,379,062,387.28
  5. Step 5: Solve for x
    x = 180,379,062,387.28/469,469.16
  6. Step 6: Final answer
    x = 384,219.19

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