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Finding the Fourth Proportional to 563,403.71, 777,571.58 and 321,631.67

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Solution

The fourth proportional to 563,403.71, 777,571.58 and 321,631.67 is: 443,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,403.71 : 777,571.58 = 321,631.67 : x
  2. Step 2: Convert to fraction form
    563,403.71/777,571.58 = 321,631.67/x
  3. Step 3: Cross multiply
    563,403.71x = 777,571.58 × 321,631.67
  4. Step 4: Simplify right side
    563,403.71x = 250,091,645,819.94
  5. Step 5: Solve for x
    x = 250,091,645,819.94/563,403.71
  6. Step 6: Final answer
    x = 443,894.21

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