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Finding the Fourth Proportional to 299,003.40, 448,505.10 and 121,524.26

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Solution

The fourth proportional to 299,003.40, 448,505.10 and 121,524.26 is: 182,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,003.40 : 448,505.10 = 121,524.26 : x
  2. Step 2: Convert to fraction form
    299,003.40/448,505.10 = 121,524.26/x
  3. Step 3: Cross multiply
    299,003.40x = 448,505.10 × 121,524.26
  4. Step 4: Simplify right side
    299,003.40x = 54,504,250,383.73
  5. Step 5: Solve for x
    x = 54,504,250,383.73/299,003.40
  6. Step 6: Final answer
    x = 182,286.39

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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.