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Finding the Fourth Proportional to 451,379.25, 622,903.37 and 250,175.25

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Solution

The fourth proportional to 451,379.25, 622,903.37 and 250,175.25 is: 345,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,379.25 : 622,903.37 = 250,175.25 : x
  2. Step 2: Convert to fraction form
    451,379.25/622,903.37 = 250,175.25/x
  3. Step 3: Cross multiply
    451,379.25x = 622,903.37 × 250,175.25
  4. Step 4: Simplify right side
    451,379.25x = 155,835,005,064.72
  5. Step 5: Solve for x
    x = 155,835,005,064.72/451,379.25
  6. Step 6: Final answer
    x = 345,241.85

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1.5x scale

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.