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Finding the Fourth Proportional to 451,379.75, 622,904.06 and 250,175.75

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Solution

The fourth proportional to 451,379.75, 622,904.06 and 250,175.75 is: 345,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,379.75 : 622,904.06 = 250,175.75 : x
  2. Step 2: Convert to fraction form
    451,379.75/622,904.06 = 250,175.75/x
  3. Step 3: Cross multiply
    451,379.75x = 622,904.06 × 250,175.75
  4. Step 4: Simplify right side
    451,379.75x = 155,835,489,137.67
  5. Step 5: Solve for x
    x = 155,835,489,137.67/451,379.75
  6. Step 6: Final answer
    x = 345,242.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.