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Finding the Fourth Proportional to 558,755.88, 771,083.11 and 304,108.89

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Solution

The fourth proportional to 558,755.88, 771,083.11 and 304,108.89 is: 419,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,755.88 : 771,083.11 = 304,108.89 : x
  2. Step 2: Convert to fraction form
    558,755.88/771,083.11 = 304,108.89/x
  3. Step 3: Cross multiply
    558,755.88x = 771,083.11 × 304,108.89
  4. Step 4: Simplify right side
    558,755.88x = 234,493,228,679.85
  5. Step 5: Solve for x
    x = 234,493,228,679.85/558,755.88
  6. Step 6: Final answer
    x = 419,670.27

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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.