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Finding the Fourth Proportional to 562,764.18, 776,688.48 and 320,991.24

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Solution

The fourth proportional to 562,764.18, 776,688.48 and 320,991.24 is: 443,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,764.18 : 776,688.48 = 320,991.24 : x
  2. Step 2: Convert to fraction form
    562,764.18/776,688.48 = 320,991.24/x
  3. Step 3: Cross multiply
    562,764.18x = 776,688.48 × 320,991.24
  4. Step 4: Simplify right side
    562,764.18x = 249,310,198,288.92
  5. Step 5: Solve for x
    x = 249,310,198,288.92/562,764.18
  6. Step 6: Final answer
    x = 443,010.07

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