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Finding the Fourth Proportional to 569,618.75, 786,071.82 and 321,240.96

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Solution

The fourth proportional to 569,618.75, 786,071.82 and 321,240.96 is: 443,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,618.75 : 786,071.82 = 321,240.96 : x
  2. Step 2: Convert to fraction form
    569,618.75/786,071.82 = 321,240.96/x
  3. Step 3: Cross multiply
    569,618.75x = 786,071.82 × 321,240.96
  4. Step 4: Simplify right side
    569,618.75x = 252,518,467,290.40
  5. Step 5: Solve for x
    x = 252,518,467,290.40/569,618.75
  6. Step 6: Final answer
    x = 443,311.37

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