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Finding the Fourth Proportional to 404,906.90, 607,389.15 and 124,423.70

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Solution

The fourth proportional to 404,906.90, 607,389.15 and 124,423.70 is: 186,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,906.90 : 607,389.15 = 124,423.70 : x
  2. Step 2: Convert to fraction form
    404,906.90/607,389.15 = 124,423.70/x
  3. Step 3: Cross multiply
    404,906.90x = 607,389.15 × 124,423.70
  4. Step 4: Simplify right side
    404,906.90x = 75,573,605,382.86
  5. Step 5: Solve for x
    x = 75,573,605,382.86/404,906.90
  6. Step 6: Final answer
    x = 186,644.40

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