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Finding the Fourth Proportional to 283,918.20, 425,877.30 and 233,179.80

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Solution

The fourth proportional to 283,918.20, 425,877.30 and 233,179.80 is: 349,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,918.20 : 425,877.30 = 233,179.80 : x
  2. Step 2: Convert to fraction form
    283,918.20/425,877.30 = 233,179.80/x
  3. Step 3: Cross multiply
    283,918.20x = 425,877.30 × 233,179.80
  4. Step 4: Simplify right side
    283,918.20x = 99,305,983,638.54
  5. Step 5: Solve for x
    x = 99,305,983,638.54/283,918.20
  6. Step 6: Final answer
    x = 349,769.70

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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.