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Finding the Fourth Proportional to 425,797.75, 587,609.40 and 275,157.19

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Solution

The fourth proportional to 425,797.75, 587,609.40 and 275,157.19 is: 379,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,797.75 : 587,609.40 = 275,157.19 : x
  2. Step 2: Convert to fraction form
    425,797.75/587,609.40 = 275,157.19/x
  3. Step 3: Cross multiply
    425,797.75x = 587,609.40 × 275,157.19
  4. Step 4: Simplify right side
    425,797.75x = 161,684,951,321.59
  5. Step 5: Solve for x
    x = 161,684,951,321.59/425,797.75
  6. Step 6: Final answer
    x = 379,722.42

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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.