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Finding the Fourth Proportional to 547,552.96, 755,614.98 and 305,839.04

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Solution

The fourth proportional to 547,552.96, 755,614.98 and 305,839.04 is: 422,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,552.96 : 755,614.98 = 305,839.04 : x
  2. Step 2: Convert to fraction form
    547,552.96/755,614.98 = 305,839.04/x
  3. Step 3: Cross multiply
    547,552.96x = 755,614.98 × 305,839.04
  4. Step 4: Simplify right side
    547,552.96x = 231,096,560,092.82
  5. Step 5: Solve for x
    x = 231,096,560,092.82/547,552.96
  6. Step 6: Final answer
    x = 422,053.35

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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.