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Finding the Fourth Proportional to 476,676, 715,014 and 177,231.96

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Solution

The fourth proportional to 476,676, 715,014 and 177,231.96 is: 265,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,676 : 715,014 = 177,231.96 : x
  2. Step 2: Convert to fraction form
    476,676/715,014 = 177,231.96/x
  3. Step 3: Cross multiply
    476,676x = 715,014 × 177,231.96
  4. Step 4: Simplify right side
    476,676x = 126,723,332,647.44
  5. Step 5: Solve for x
    x = 126,723,332,647.44/476,676
  6. Step 6: Final answer
    x = 265,847.94

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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.