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Finding the Fourth Proportional to 283,512.20, 425,901.90 and 236,856.20

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Solution

The fourth proportional to 283,512.20, 425,901.90 and 236,856.20 is: 355,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,512.20 : 425,901.90 = 236,856.20 : x
  2. Step 2: Convert to fraction form
    283,512.20/425,901.90 = 236,856.20/x
  3. Step 3: Cross multiply
    283,512.20x = 425,901.90 × 236,856.20
  4. Step 4: Simplify right side
    283,512.20x = 100,877,505,606.78
  5. Step 5: Solve for x
    x = 100,877,505,606.78/283,512.20
  6. Step 6: Final answer
    x = 355,813.63

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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.