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Finding the Fourth Proportional to 544,136.40, 815,815.80 and 244,371.60

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Solution

The fourth proportional to 544,136.40, 815,815.80 and 244,371.60 is: 366,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,136.40 : 815,815.80 = 244,371.60 : x
  2. Step 2: Convert to fraction form
    544,136.40/815,815.80 = 244,371.60/x
  3. Step 3: Cross multiply
    544,136.40x = 815,815.80 × 244,371.60
  4. Step 4: Simplify right side
    544,136.40x = 199,362,212,351.28
  5. Step 5: Solve for x
    x = 199,362,212,351.28/544,136.40
  6. Step 6: Final answer
    x = 366,382.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.