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Finding the Fourth Proportional to 402,583.52, 555,689.04 and 259,343.12

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Solution

The fourth proportional to 402,583.52, 555,689.04 and 259,343.12 is: 357,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,583.52 : 555,689.04 = 259,343.12 : x
  2. Step 2: Convert to fraction form
    402,583.52/555,689.04 = 259,343.12/x
  3. Step 3: Cross multiply
    402,583.52x = 555,689.04 × 259,343.12
  4. Step 4: Simplify right side
    402,583.52x = 144,114,129,383.41
  5. Step 5: Solve for x
    x = 144,114,129,383.41/402,583.52
  6. Step 6: Final answer
    x = 357,973.25

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