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Finding the Fourth Proportional to 324,298.89, 486,459.27 and 87,643.62

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Solution

The fourth proportional to 324,298.89, 486,459.27 and 87,643.62 is: 131,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,298.89 : 486,459.27 = 87,643.62 : x
  2. Step 2: Convert to fraction form
    324,298.89/486,459.27 = 87,643.62/x
  3. Step 3: Cross multiply
    324,298.89x = 486,459.27 × 87,643.62
  4. Step 4: Simplify right side
    324,298.89x = 42,635,051,405.36
  5. Step 5: Solve for x
    x = 42,635,051,405.36/324,298.89
  6. Step 6: Final answer
    x = 131,468.39

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