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Finding the Fourth Proportional to 323,334.56, 446,131.32 and 196,041.44

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Solution

The fourth proportional to 323,334.56, 446,131.32 and 196,041.44 is: 270,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,334.56 : 446,131.32 = 196,041.44 : x
  2. Step 2: Convert to fraction form
    323,334.56/446,131.32 = 196,041.44/x
  3. Step 3: Cross multiply
    323,334.56x = 446,131.32 × 196,041.44
  4. Step 4: Simplify right side
    323,334.56x = 87,460,226,401.90
  5. Step 5: Solve for x
    x = 87,460,226,401.90/323,334.56
  6. Step 6: Final answer
    x = 270,494.52

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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.