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Finding the Fourth Proportional to 438,967.79, 658,446.88 and 106,543.79

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Solution

The fourth proportional to 438,967.79, 658,446.88 and 106,543.79 is: 159,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,967.79 : 658,446.88 = 106,543.79 : x
  2. Step 2: Convert to fraction form
    438,967.79/658,446.88 = 106,543.79/x
  3. Step 3: Cross multiply
    438,967.79x = 658,446.88 × 106,543.79
  4. Step 4: Simplify right side
    438,967.79x = 70,153,422,550.28
  5. Step 5: Solve for x
    x = 70,153,422,550.28/438,967.79
  6. Step 6: Final answer
    x = 159,814.51

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