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Finding the Fourth Proportional to 274,334.67, 411,280.55 and 252,191.29

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Solution

The fourth proportional to 274,334.67, 411,280.55 and 252,191.29 is: 378,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,334.67 : 411,280.55 = 252,191.29 : x
  2. Step 2: Convert to fraction form
    274,334.67/411,280.55 = 252,191.29/x
  3. Step 3: Cross multiply
    274,334.67x = 411,280.55 × 252,191.29
  4. Step 4: Simplify right side
    274,334.67x = 103,721,372,456.41
  5. Step 5: Solve for x
    x = 103,721,372,456.41/274,334.67
  6. Step 6: Final answer
    x = 378,083.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.