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Finding the Fourth Proportional to 283,801.97, 425,579.57 and 81,353.49

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Solution

The fourth proportional to 283,801.97, 425,579.57 and 81,353.49 is: 121,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,801.97 : 425,579.57 = 81,353.49 : x
  2. Step 2: Convert to fraction form
    283,801.97/425,579.57 = 81,353.49/x
  3. Step 3: Cross multiply
    283,801.97x = 425,579.57 × 81,353.49
  4. Step 4: Simplify right side
    283,801.97x = 34,622,383,292.20
  5. Step 5: Solve for x
    x = 34,622,383,292.20/283,801.97
  6. Step 6: Final answer
    x = 121,994.87

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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.