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Finding the Fourth Proportional to 425,449.26, 587,124 and 234,469.62

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Solution

The fourth proportional to 425,449.26, 587,124 and 234,469.62 is: 323,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,449.26 : 587,124 = 234,469.62 : x
  2. Step 2: Convert to fraction form
    425,449.26/587,124 = 234,469.62/x
  3. Step 3: Cross multiply
    425,449.26x = 587,124 × 234,469.62
  4. Step 4: Simplify right side
    425,449.26x = 137,662,741,172.88
  5. Step 5: Solve for x
    x = 137,662,741,172.88/425,449.26
  6. Step 6: Final answer
    x = 323,570.29

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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.