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Finding the Fourth Proportional to 288,600.20, 432,900.30 and 235,456.10

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Solution

The fourth proportional to 288,600.20, 432,900.30 and 235,456.10 is: 353,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,600.20 : 432,900.30 = 235,456.10 : x
  2. Step 2: Convert to fraction form
    288,600.20/432,900.30 = 235,456.10/x
  3. Step 3: Cross multiply
    288,600.20x = 432,900.30 × 235,456.10
  4. Step 4: Simplify right side
    288,600.20x = 101,929,016,326.83
  5. Step 5: Solve for x
    x = 101,929,016,326.83/288,600.20
  6. Step 6: Final answer
    x = 353,184.15

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