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Finding the Fourth Proportional to 501,283.44, 691,774.56 and 274,930.56

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Solution

The fourth proportional to 501,283.44, 691,774.56 and 274,930.56 is: 379,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,283.44 : 691,774.56 = 274,930.56 : x
  2. Step 2: Convert to fraction form
    501,283.44/691,774.56 = 274,930.56/x
  3. Step 3: Cross multiply
    501,283.44x = 691,774.56 × 274,930.56
  4. Step 4: Simplify right side
    501,283.44x = 190,189,967,174.55
  5. Step 5: Solve for x
    x = 190,189,967,174.55/501,283.44
  6. Step 6: Final answer
    x = 379,406.04

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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.