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Finding the Fourth Proportional to 325,408.90, 449,066.05 and 180,219.44

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Solution

The fourth proportional to 325,408.90, 449,066.05 and 180,219.44 is: 248,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,408.90 : 449,066.05 = 180,219.44 : x
  2. Step 2: Convert to fraction form
    325,408.90/449,066.05 = 180,219.44/x
  3. Step 3: Cross multiply
    325,408.90x = 449,066.05 × 180,219.44
  4. Step 4: Simplify right side
    325,408.90x = 80,930,429,358.13
  5. Step 5: Solve for x
    x = 80,930,429,358.13/325,408.90
  6. Step 6: Final answer
    x = 248,703.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.