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Finding the Fourth Proportional to 807,229.63, 1,210,993.22 and 333,951.89

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Solution

The fourth proportional to 807,229.63, 1,210,993.22 and 333,951.89 is: 500,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,229.63 : 1,210,993.22 = 333,951.89 : x
  2. Step 2: Convert to fraction form
    807,229.63/1,210,993.22 = 333,951.89/x
  3. Step 3: Cross multiply
    807,229.63x = 1,210,993.22 × 333,951.89
  4. Step 4: Simplify right side
    807,229.63x = 404,413,474,596.19
  5. Step 5: Solve for x
    x = 404,413,474,596.19/807,229.63
  6. Step 6: Final answer
    x = 500,989.39

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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.