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Finding the Fourth Proportional to 547,592.22, 755,602.56 and 305,843.94

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Solution

The fourth proportional to 547,592.22, 755,602.56 and 305,843.94 is: 422,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,592.22 : 755,602.56 = 305,843.94 : x
  2. Step 2: Convert to fraction form
    547,592.22/755,602.56 = 305,843.94/x
  3. Step 3: Cross multiply
    547,592.22x = 755,602.56 × 305,843.94
  4. Step 4: Simplify right side
    547,592.22x = 231,096,464,024.49
  5. Step 5: Solve for x
    x = 231,096,464,024.49/547,592.22
  6. Step 6: Final answer
    x = 422,022.91

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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.