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Finding the Fourth Proportional to 555,203.20, 766,182.86 and 300,554.40

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Solution

The fourth proportional to 555,203.20, 766,182.86 and 300,554.40 is: 414,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,203.20 : 766,182.86 = 300,554.40 : x
  2. Step 2: Convert to fraction form
    555,203.20/766,182.86 = 300,554.40/x
  3. Step 3: Cross multiply
    555,203.20x = 766,182.86 × 300,554.40
  4. Step 4: Simplify right side
    555,203.20x = 230,279,629,777.58
  5. Step 5: Solve for x
    x = 230,279,629,777.58/555,203.20
  6. Step 6: Final answer
    x = 414,766.40

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