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Finding the Fourth Proportional to 492,003.70, 737,789.55 and 225,675.70

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Solution

The fourth proportional to 492,003.70, 737,789.55 and 225,675.70 is: 338,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,003.70 : 737,789.55 = 225,675.70 : x
  2. Step 2: Convert to fraction form
    492,003.70/737,789.55 = 225,675.70/x
  3. Step 3: Cross multiply
    492,003.70x = 737,789.55 × 225,675.70
  4. Step 4: Simplify right side
    492,003.70x = 166,501,173,148.94
  5. Step 5: Solve for x
    x = 166,501,173,148.94/492,003.70
  6. Step 6: Final answer
    x = 338,414.47

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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.