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Finding the Fourth Proportional to 503,212.67, 694,435.14 and 273,769.88

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Solution

The fourth proportional to 503,212.67, 694,435.14 and 273,769.88 is: 377,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,212.67 : 694,435.14 = 273,769.88 : x
  2. Step 2: Convert to fraction form
    503,212.67/694,435.14 = 273,769.88/x
  3. Step 3: Cross multiply
    503,212.67x = 694,435.14 × 273,769.88
  4. Step 4: Simplify right side
    503,212.67x = 190,115,424,945.58
  5. Step 5: Solve for x
    x = 190,115,424,945.58/503,212.67
  6. Step 6: Final answer
    x = 377,803.34

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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.