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Finding the Fourth Proportional to 283,679.44, 425,520.56 and 84,003.60

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Solution

The fourth proportional to 283,679.44, 425,520.56 and 84,003.60 is: 126,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,679.44 : 425,520.56 = 84,003.60 : x
  2. Step 2: Convert to fraction form
    283,679.44/425,520.56 = 84,003.60/x
  3. Step 3: Cross multiply
    283,679.44x = 425,520.56 × 84,003.60
  4. Step 4: Simplify right side
    283,679.44x = 35,745,258,914.02
  5. Step 5: Solve for x
    x = 35,745,258,914.02/283,679.44
  6. Step 6: Final answer
    x = 126,005.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.