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Finding the Fourth Proportional to 547,593.22, 755,603.94 and 305,844.94

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Solution

The fourth proportional to 547,593.22, 755,603.94 and 305,844.94 is: 422,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,593.22 : 755,603.94 = 305,844.94 : x
  2. Step 2: Convert to fraction form
    547,593.22/755,603.94 = 305,844.94/x
  3. Step 3: Cross multiply
    547,593.22x = 755,603.94 × 305,844.94
  4. Step 4: Simplify right side
    547,593.22x = 231,097,641,693.06
  5. Step 5: Solve for x
    x = 231,097,641,693.06/547,593.22
  6. Step 6: Final answer
    x = 422,024.29

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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.