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Finding the Fourth Proportional to 253,363.40, 380,023.23 and 75,910.22

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Solution

The fourth proportional to 253,363.40, 380,023.23 and 75,910.22 is: 113,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,363.40 : 380,023.23 = 75,910.22 : x
  2. Step 2: Convert to fraction form
    253,363.40/380,023.23 = 75,910.22/x
  3. Step 3: Cross multiply
    253,363.40x = 380,023.23 × 75,910.22
  4. Step 4: Simplify right side
    253,363.40x = 28,847,646,994.41
  5. Step 5: Solve for x
    x = 28,847,646,994.41/253,363.40
  6. Step 6: Final answer
    x = 113,858.78

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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.