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Finding the Fourth Proportional to 451,219.92, 622,684.44 and 250,015.92

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Solution

The fourth proportional to 451,219.92, 622,684.44 and 250,015.92 is: 345,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,219.92 : 622,684.44 = 250,015.92 : x
  2. Step 2: Convert to fraction form
    451,219.92/622,684.44 = 250,015.92/x
  3. Step 3: Cross multiply
    451,219.92x = 622,684.44 × 250,015.92
  4. Step 4: Simplify right side
    451,219.92x = 155,681,023,136.29
  5. Step 5: Solve for x
    x = 155,681,023,136.29/451,219.92
  6. Step 6: Final answer
    x = 345,022.50

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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.