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Finding the Fourth Proportional to 683,481.20, 943,185.76 and 377,551

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Solution

The fourth proportional to 683,481.20, 943,185.76 and 377,551 is: 521,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,481.20 : 943,185.76 = 377,551 : x
  2. Step 2: Convert to fraction form
    683,481.20/943,185.76 = 377,551/x
  3. Step 3: Cross multiply
    683,481.20x = 943,185.76 × 377,551
  4. Step 4: Simplify right side
    683,481.20x = 356,100,726,873.76
  5. Step 5: Solve for x
    x = 356,100,726,873.76/683,481.20
  6. Step 6: Final answer
    x = 521,010.27

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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.