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Finding the Fourth Proportional to 458,361.45, 632,529 and 254,400.48

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Solution

The fourth proportional to 458,361.45, 632,529 and 254,400.48 is: 351,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,361.45 : 632,529 = 254,400.48 : x
  2. Step 2: Convert to fraction form
    458,361.45/632,529 = 254,400.48/x
  3. Step 3: Cross multiply
    458,361.45x = 632,529 × 254,400.48
  4. Step 4: Simplify right side
    458,361.45x = 160,915,681,213.92
  5. Step 5: Solve for x
    x = 160,915,681,213.92/458,361.45
  6. Step 6: Final answer
    x = 351,067.22

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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.