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Finding the Fourth Proportional to 306,999.32, 460,469.68 and 144,855.66

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Solution

The fourth proportional to 306,999.32, 460,469.68 and 144,855.66 is: 217,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,999.32 : 460,469.68 = 144,855.66 : x
  2. Step 2: Convert to fraction form
    306,999.32/460,469.68 = 144,855.66/x
  3. Step 3: Cross multiply
    306,999.32x = 460,469.68 × 144,855.66
  4. Step 4: Simplify right side
    306,999.32x = 66,701,638,995.68
  5. Step 5: Solve for x
    x = 66,701,638,995.68/306,999.32
  6. Step 6: Final answer
    x = 217,269.66

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