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Finding the Fourth Proportional to 481,041.60, 721,821.60 and 200,587.20

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Solution

The fourth proportional to 481,041.60, 721,821.60 and 200,587.20 is: 300,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,041.60 : 721,821.60 = 200,587.20 : x
  2. Step 2: Convert to fraction form
    481,041.60/721,821.60 = 200,587.20/x
  3. Step 3: Cross multiply
    481,041.60x = 721,821.60 × 200,587.20
  4. Step 4: Simplify right side
    481,041.60x = 144,788,173,643.52
  5. Step 5: Solve for x
    x = 144,788,173,643.52/481,041.60
  6. Step 6: Final answer
    x = 300,988.88

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