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Finding the Fourth Proportional to 404,912.43, 558,783.33 and 223,628.88

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Solution

The fourth proportional to 404,912.43, 558,783.33 and 223,628.88 is: 308,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,912.43 : 558,783.33 = 223,628.88 : x
  2. Step 2: Convert to fraction form
    404,912.43/558,783.33 = 223,628.88/x
  3. Step 3: Cross multiply
    404,912.43x = 558,783.33 × 223,628.88
  4. Step 4: Simplify right side
    404,912.43x = 124,960,090,250.57
  5. Step 5: Solve for x
    x = 124,960,090,250.57/404,912.43
  6. Step 6: Final answer
    x = 308,610.16

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Why These Related Problems?

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