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Finding the Fourth Proportional to 411,526.34, 617,348.66 and 127,239.05

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Solution

The fourth proportional to 411,526.34, 617,348.66 and 127,239.05 is: 190,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,526.34 : 617,348.66 = 127,239.05 : x
  2. Step 2: Convert to fraction form
    411,526.34/617,348.66 = 127,239.05/x
  3. Step 3: Cross multiply
    411,526.34x = 617,348.66 × 127,239.05
  4. Step 4: Simplify right side
    411,526.34x = 78,550,856,380.98
  5. Step 5: Solve for x
    x = 78,550,856,380.98/411,526.34
  6. Step 6: Final answer
    x = 190,876.86

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