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Finding the Fourth Proportional to 404,912.66, 558,783.69 and 223,629.20

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Solution

The fourth proportional to 404,912.66, 558,783.69 and 223,629.20 is: 308,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,912.66 : 558,783.69 = 223,629.20 : x
  2. Step 2: Convert to fraction form
    404,912.66/558,783.69 = 223,629.20/x
  3. Step 3: Cross multiply
    404,912.66x = 558,783.69 × 223,629.20
  4. Step 4: Simplify right side
    404,912.66x = 124,960,346,773.83
  5. Step 5: Solve for x
    x = 124,960,346,773.83/404,912.66
  6. Step 6: Final answer
    x = 308,610.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.