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Finding the Fourth Proportional to 259,058.30, 387,985.20 and 250,078.64

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Solution

The fourth proportional to 259,058.30, 387,985.20 and 250,078.64 is: 374,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,058.30 : 387,985.20 = 250,078.64 : x
  2. Step 2: Convert to fraction form
    259,058.30/387,985.20 = 250,078.64/x
  3. Step 3: Cross multiply
    259,058.30x = 387,985.20 × 250,078.64
  4. Step 4: Simplify right side
    259,058.30x = 97,026,811,156.13
  5. Step 5: Solve for x
    x = 97,026,811,156.13/259,058.30
  6. Step 6: Final answer
    x = 374,536.59

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