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Finding the Fourth Proportional to 580,555.92, 871,165.53 and 225,523.74

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Solution

The fourth proportional to 580,555.92, 871,165.53 and 225,523.74 is: 338,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,555.92 : 871,165.53 = 225,523.74 : x
  2. Step 2: Convert to fraction form
    580,555.92/871,165.53 = 225,523.74/x
  3. Step 3: Cross multiply
    580,555.92x = 871,165.53 × 225,523.74
  4. Step 4: Simplify right side
    580,555.92x = 196,468,508,484.68
  5. Step 5: Solve for x
    x = 196,468,508,484.68/580,555.92
  6. Step 6: Final answer
    x = 338,414.44

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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.