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Finding the Fourth Proportional to 382,448.27, 527,756.15 and 221,291.88

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Solution

The fourth proportional to 382,448.27, 527,756.15 and 221,291.88 is: 305,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,448.27 : 527,756.15 = 221,291.88 : x
  2. Step 2: Convert to fraction form
    382,448.27/527,756.15 = 221,291.88/x
  3. Step 3: Cross multiply
    382,448.27x = 527,756.15 × 221,291.88
  4. Step 4: Simplify right side
    382,448.27x = 116,788,149,508.60
  5. Step 5: Solve for x
    x = 116,788,149,508.60/382,448.27
  6. Step 6: Final answer
    x = 305,369.80

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