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Finding the Fourth Proportional to 644,659.20, 966,038.40 and 467,539.20

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Solution

The fourth proportional to 644,659.20, 966,038.40 and 467,539.20 is: 700,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,659.20 : 966,038.40 = 467,539.20 : x
  2. Step 2: Convert to fraction form
    644,659.20/966,038.40 = 467,539.20/x
  3. Step 3: Cross multiply
    644,659.20x = 966,038.40 × 467,539.20
  4. Step 4: Simplify right side
    644,659.20x = 451,660,820,705.28
  5. Step 5: Solve for x
    x = 451,660,820,705.28/644,659.20
  6. Step 6: Final answer
    x = 700,619.52

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