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Finding the Fourth Proportional to 547,558.44, 755,622.66 and 305,844.44

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Solution

The fourth proportional to 547,558.44, 755,622.66 and 305,844.44 is: 422,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,558.44 : 755,622.66 = 305,844.44 : x
  2. Step 2: Convert to fraction form
    547,558.44/755,622.66 = 305,844.44/x
  3. Step 3: Cross multiply
    547,558.44x = 755,622.66 × 305,844.44
  4. Step 4: Simplify right side
    547,558.44x = 231,102,989,299.01
  5. Step 5: Solve for x
    x = 231,102,989,299.01/547,558.44
  6. Step 6: Final answer
    x = 422,060.87

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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.