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Finding the Fourth Proportional to 641,755.44, 961,249.16 and 604,026.48

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Solution

The fourth proportional to 641,755.44, 961,249.16 and 604,026.48 is: 904,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,755.44 : 961,249.16 = 604,026.48 : x
  2. Step 2: Convert to fraction form
    641,755.44/961,249.16 = 604,026.48/x
  3. Step 3: Cross multiply
    641,755.44x = 961,249.16 × 604,026.48
  4. Step 4: Simplify right side
    641,755.44x = 580,619,946,517.76
  5. Step 5: Solve for x
    x = 580,619,946,517.76/641,755.44
  6. Step 6: Final answer
    x = 904,737.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.