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Finding the Fourth Proportional to 267,589, 401,410.38 and 70,597

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Solution

The fourth proportional to 267,589, 401,410.38 and 70,597 is: 105,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,589 : 401,410.38 = 70,597 : x
  2. Step 2: Convert to fraction form
    267,589/401,410.38 = 70,597/x
  3. Step 3: Cross multiply
    267,589x = 401,410.38 × 70,597
  4. Step 4: Simplify right side
    267,589x = 28,338,368,596.86
  5. Step 5: Solve for x
    x = 28,338,368,596.86/267,589
  6. Step 6: Final answer
    x = 105,902.59

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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.