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Finding the Fourth Proportional to 547,773.04, 755,851.56 and 306,025.36

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Solution

The fourth proportional to 547,773.04, 755,851.56 and 306,025.36 is: 422,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,773.04 : 755,851.56 = 306,025.36 : x
  2. Step 2: Convert to fraction form
    547,773.04/755,851.56 = 306,025.36/x
  3. Step 3: Cross multiply
    547,773.04x = 755,851.56 × 306,025.36
  4. Step 4: Simplify right side
    547,773.04x = 231,309,745,755.56
  5. Step 5: Solve for x
    x = 231,309,745,755.56/547,773.04
  6. Step 6: Final answer
    x = 422,272.97

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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.