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Finding the Fourth Proportional to 216,572.86, 324,354.66 and 210,593.98

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Solution

The fourth proportional to 216,572.86, 324,354.66 and 210,593.98 is: 315,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,572.86 : 324,354.66 = 210,593.98 : x
  2. Step 2: Convert to fraction form
    216,572.86/324,354.66 = 210,593.98/x
  3. Step 3: Cross multiply
    216,572.86x = 324,354.66 × 210,593.98
  4. Step 4: Simplify right side
    216,572.86x = 68,307,138,780.95
  5. Step 5: Solve for x
    x = 68,307,138,780.95/216,572.86
  6. Step 6: Final answer
    x = 315,400.27

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