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Finding the Fourth Proportional to 413,766.60, 620,649.90 and 164,448.60

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Solution

The fourth proportional to 413,766.60, 620,649.90 and 164,448.60 is: 246,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,766.60 : 620,649.90 = 164,448.60 : x
  2. Step 2: Convert to fraction form
    413,766.60/620,649.90 = 164,448.60/x
  3. Step 3: Cross multiply
    413,766.60x = 620,649.90 × 164,448.60
  4. Step 4: Simplify right side
    413,766.60x = 102,065,007,145.14
  5. Step 5: Solve for x
    x = 102,065,007,145.14/413,766.60
  6. Step 6: Final answer
    x = 246,672.90

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