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Finding the Fourth Proportional to 463,433.37, 639,485.19 and 259,455.93

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Solution

The fourth proportional to 463,433.37, 639,485.19 and 259,455.93 is: 358,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,433.37 : 639,485.19 = 259,455.93 : x
  2. Step 2: Convert to fraction form
    463,433.37/639,485.19 = 259,455.93/x
  3. Step 3: Cross multiply
    463,433.37x = 639,485.19 × 259,455.93
  4. Step 4: Simplify right side
    463,433.37x = 165,918,224,692.68
  5. Step 5: Solve for x
    x = 165,918,224,692.68/463,433.37
  6. Step 6: Final answer
    x = 358,019.59

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