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Finding the Fourth Proportional to 448,996.50, 673,605.72 and 133,452.09

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Solution

The fourth proportional to 448,996.50, 673,605.72 and 133,452.09 is: 200,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,996.50 : 673,605.72 = 133,452.09 : x
  2. Step 2: Convert to fraction form
    448,996.50/673,605.72 = 133,452.09/x
  3. Step 3: Cross multiply
    448,996.50x = 673,605.72 × 133,452.09
  4. Step 4: Simplify right side
    448,996.50x = 89,894,091,169.95
  5. Step 5: Solve for x
    x = 89,894,091,169.95/448,996.50
  6. Step 6: Final answer
    x = 200,211.12

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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.