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Finding the Fourth Proportional to 283,773.72, 425,447.34 and 133,928.70

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Solution

The fourth proportional to 283,773.72, 425,447.34 and 133,928.70 is: 200,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,773.72 : 425,447.34 = 133,928.70 : x
  2. Step 2: Convert to fraction form
    283,773.72/425,447.34 = 133,928.70/x
  3. Step 3: Cross multiply
    283,773.72x = 425,447.34 × 133,928.70
  4. Step 4: Simplify right side
    283,773.72x = 56,979,609,164.66
  5. Step 5: Solve for x
    x = 56,979,609,164.66/283,773.72
  6. Step 6: Final answer
    x = 200,792.41

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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.