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Finding the Fourth Proportional to 425,361.87, 587,025.59 and 234,375.21

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Solution

The fourth proportional to 425,361.87, 587,025.59 and 234,375.21 is: 323,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,361.87 : 587,025.59 = 234,375.21 : x
  2. Step 2: Convert to fraction form
    425,361.87/587,025.59 = 234,375.21/x
  3. Step 3: Cross multiply
    425,361.87x = 587,025.59 × 234,375.21
  4. Step 4: Simplify right side
    425,361.87x = 137,584,244,759.75
  5. Step 5: Solve for x
    x = 137,584,244,759.75/425,361.87
  6. Step 6: Final answer
    x = 323,452.23

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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.