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Finding the Fourth Proportional to 503,538.49, 694,891.96 and 274,102.37

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Solution

The fourth proportional to 503,538.49, 694,891.96 and 274,102.37 is: 378,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,538.49 : 694,891.96 = 274,102.37 : x
  2. Step 2: Convert to fraction form
    503,538.49/694,891.96 = 274,102.37/x
  3. Step 3: Cross multiply
    503,538.49x = 694,891.96 × 274,102.37
  4. Step 4: Simplify right side
    503,538.49x = 190,471,531,576.07
  5. Step 5: Solve for x
    x = 190,471,531,576.07/503,538.49
  6. Step 6: Final answer
    x = 378,266.08

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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.