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Finding the Fourth Proportional to 469,146.60, 647,247.51 and 308,091.06

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Solution

The fourth proportional to 469,146.60, 647,247.51 and 308,091.06 is: 425,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,146.60 : 647,247.51 = 308,091.06 : x
  2. Step 2: Convert to fraction form
    469,146.60/647,247.51 = 308,091.06/x
  3. Step 3: Cross multiply
    469,146.60x = 647,247.51 × 308,091.06
  4. Step 4: Simplify right side
    469,146.60x = 199,411,171,438.26
  5. Step 5: Solve for x
    x = 199,411,171,438.26/469,146.60
  6. Step 6: Final answer
    x = 425,050.87

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