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Finding the Fourth Proportional to 547,726.06, 755,848.03 and 306,010.44

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Solution

The fourth proportional to 547,726.06, 755,848.03 and 306,010.44 is: 422,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,726.06 : 755,848.03 = 306,010.44 : x
  2. Step 2: Convert to fraction form
    547,726.06/755,848.03 = 306,010.44/x
  3. Step 3: Cross multiply
    547,726.06x = 755,848.03 × 306,010.44
  4. Step 4: Simplify right side
    547,726.06x = 231,297,388,233.43
  5. Step 5: Solve for x
    x = 231,297,388,233.43/547,726.06
  6. Step 6: Final answer
    x = 422,286.62

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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.