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Finding the Fourth Proportional to 643,566.48, 965,352.92 and 264,693.84

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Solution

The fourth proportional to 643,566.48, 965,352.92 and 264,693.84 is: 397,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,566.48 : 965,352.92 = 264,693.84 : x
  2. Step 2: Convert to fraction form
    643,566.48/965,352.92 = 264,693.84/x
  3. Step 3: Cross multiply
    643,566.48x = 965,352.92 × 264,693.84
  4. Step 4: Simplify right side
    643,566.48x = 255,522,971,350.01
  5. Step 5: Solve for x
    x = 255,522,971,350.01/643,566.48
  6. Step 6: Final answer
    x = 397,042.08

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