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Finding the Fourth Proportional to 448,885.44, 673,212.96 and 133,269.12

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Solution

The fourth proportional to 448,885.44, 673,212.96 and 133,269.12 is: 199,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,885.44 : 673,212.96 = 133,269.12 : x
  2. Step 2: Convert to fraction form
    448,885.44/673,212.96 = 133,269.12/x
  3. Step 3: Cross multiply
    448,885.44x = 673,212.96 × 133,269.12
  4. Step 4: Simplify right side
    448,885.44x = 89,718,498,751.80
  5. Step 5: Solve for x
    x = 89,718,498,751.80/448,885.44
  6. Step 6: Final answer
    x = 199,869.48

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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.