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Finding the Fourth Proportional to 503,505.56, 694,852.44 and 274,077.81

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Solution

The fourth proportional to 503,505.56, 694,852.44 and 274,077.81 is: 378,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,505.56 : 694,852.44 = 274,077.81 : x
  2. Step 2: Convert to fraction form
    503,505.56/694,852.44 = 274,077.81/x
  3. Step 3: Cross multiply
    503,505.56x = 694,852.44 × 274,077.81
  4. Step 4: Simplify right side
    503,505.56x = 190,443,635,028.36
  5. Step 5: Solve for x
    x = 190,443,635,028.36/503,505.56
  6. Step 6: Final answer
    x = 378,235.42

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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.