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Finding the Fourth Proportional to 553,442.91, 763,490.27 and 323,859.36

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Solution

The fourth proportional to 553,442.91, 763,490.27 and 323,859.36 is: 446,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,442.91 : 763,490.27 = 323,859.36 : x
  2. Step 2: Convert to fraction form
    553,442.91/763,490.27 = 323,859.36/x
  3. Step 3: Cross multiply
    553,442.91x = 763,490.27 × 323,859.36
  4. Step 4: Simplify right side
    553,442.91x = 247,263,470,208.43
  5. Step 5: Solve for x
    x = 247,263,470,208.43/553,442.91
  6. Step 6: Final answer
    x = 446,773.22

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