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Finding the Fourth Proportional to 413,722.20, 571,010.94 and 243,946.20

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Solution

The fourth proportional to 413,722.20, 571,010.94 and 243,946.20 is: 336,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,722.20 : 571,010.94 = 243,946.20 : x
  2. Step 2: Convert to fraction form
    413,722.20/571,010.94 = 243,946.20/x
  3. Step 3: Cross multiply
    413,722.20x = 571,010.94 × 243,946.20
  4. Step 4: Simplify right side
    413,722.20x = 139,295,948,971.43
  5. Step 5: Solve for x
    x = 139,295,948,971.43/413,722.20
  6. Step 6: Final answer
    x = 336,689.57

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