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Finding the Fourth Proportional to 503,553.33, 755,053.93 and 199,639.61

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Solution

The fourth proportional to 503,553.33, 755,053.93 and 199,639.61 is: 299,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,553.33 : 755,053.93 = 199,639.61 : x
  2. Step 2: Convert to fraction form
    503,553.33/755,053.93 = 199,639.61/x
  3. Step 3: Cross multiply
    503,553.33x = 755,053.93 × 199,639.61
  4. Step 4: Simplify right side
    503,553.33x = 150,738,672,982.00
  5. Step 5: Solve for x
    x = 150,738,672,982.00/503,553.33
  6. Step 6: Final answer
    x = 299,349.97

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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.