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Finding the Fourth Proportional to 621,758.60, 932,637.90 and 432,801.80

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Solution

The fourth proportional to 621,758.60, 932,637.90 and 432,801.80 is: 649,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,758.60 : 932,637.90 = 432,801.80 : x
  2. Step 2: Convert to fraction form
    621,758.60/932,637.90 = 432,801.80/x
  3. Step 3: Cross multiply
    621,758.60x = 932,637.90 × 432,801.80
  4. Step 4: Simplify right side
    621,758.60x = 403,647,361,868.22
  5. Step 5: Solve for x
    x = 403,647,361,868.22/621,758.60
  6. Step 6: Final answer
    x = 649,202.70

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