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Finding the Fourth Proportional to 571,306.40, 859,033.20 and 558,864.80

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Solution

The fourth proportional to 571,306.40, 859,033.20 and 558,864.80 is: 840,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,306.40 : 859,033.20 = 558,864.80 : x
  2. Step 2: Convert to fraction form
    571,306.40/859,033.20 = 558,864.80/x
  3. Step 3: Cross multiply
    571,306.40x = 859,033.20 × 558,864.80
  4. Step 4: Simplify right side
    571,306.40x = 480,083,417,511.36
  5. Step 5: Solve for x
    x = 480,083,417,511.36/571,306.40
  6. Step 6: Final answer
    x = 840,325.64

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