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Finding the Fourth Proportional to 590,910.76, 885,753.78 and 275,107.96

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Solution

The fourth proportional to 590,910.76, 885,753.78 and 275,107.96 is: 412,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,910.76 : 885,753.78 = 275,107.96 : x
  2. Step 2: Convert to fraction form
    590,910.76/885,753.78 = 275,107.96/x
  3. Step 3: Cross multiply
    590,910.76x = 885,753.78 × 275,107.96
  4. Step 4: Simplify right side
    590,910.76x = 243,677,915,478.09
  5. Step 5: Solve for x
    x = 243,677,915,478.09/590,910.76
  6. Step 6: Final answer
    x = 412,376.85

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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.