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Finding the Fourth Proportional to 403,548.85, 556,890.55 and 222,277.74

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Solution

The fourth proportional to 403,548.85, 556,890.55 and 222,277.74 is: 306,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,548.85 : 556,890.55 = 222,277.74 : x
  2. Step 2: Convert to fraction form
    403,548.85/556,890.55 = 222,277.74/x
  3. Step 3: Cross multiply
    403,548.85x = 556,890.55 × 222,277.74
  4. Step 4: Simplify right side
    403,548.85x = 123,784,372,881.36
  5. Step 5: Solve for x
    x = 123,784,372,881.36/403,548.85
  6. Step 6: Final answer
    x = 306,739.50

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