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Finding the Fourth Proportional to 379,504.67, 569,350.44 and 267,403.84

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Solution

The fourth proportional to 379,504.67, 569,350.44 and 267,403.84 is: 401,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,504.67 : 569,350.44 = 267,403.84 : x
  2. Step 2: Convert to fraction form
    379,504.67/569,350.44 = 267,403.84/x
  3. Step 3: Cross multiply
    379,504.67x = 569,350.44 × 267,403.84
  4. Step 4: Simplify right side
    379,504.67x = 152,246,493,961.69
  5. Step 5: Solve for x
    x = 152,246,493,961.69/379,504.67
  6. Step 6: Final answer
    x = 401,171.60

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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.