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Finding the Fourth Proportional to 547,750.33, 755,820.31 and 306,002.86

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Solution

The fourth proportional to 547,750.33, 755,820.31 and 306,002.86 is: 422,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,750.33 : 755,820.31 = 306,002.86 : x
  2. Step 2: Convert to fraction form
    547,750.33/755,820.31 = 306,002.86/x
  3. Step 3: Cross multiply
    547,750.33x = 755,820.31 × 306,002.86
  4. Step 4: Simplify right side
    547,750.33x = 231,283,171,196.97
  5. Step 5: Solve for x
    x = 231,283,171,196.97/547,750.33
  6. Step 6: Final answer
    x = 422,241.96

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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.