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Finding the Fourth Proportional to 647,998.20, 971,997.30 and 606,526.20

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Solution

The fourth proportional to 647,998.20, 971,997.30 and 606,526.20 is: 909,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,998.20 : 971,997.30 = 606,526.20 : x
  2. Step 2: Convert to fraction form
    647,998.20/971,997.30 = 606,526.20/x
  3. Step 3: Cross multiply
    647,998.20x = 971,997.30 × 606,526.20
  4. Step 4: Simplify right side
    647,998.20x = 589,541,828,779.26
  5. Step 5: Solve for x
    x = 589,541,828,779.26/647,998.20
  6. Step 6: Final answer
    x = 909,789.30

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