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Finding the Fourth Proportional to 448,581.80, 673,002.30 and 133,046.30

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Solution

The fourth proportional to 448,581.80, 673,002.30 and 133,046.30 is: 199,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,581.80 : 673,002.30 = 133,046.30 : x
  2. Step 2: Convert to fraction form
    448,581.80/673,002.30 = 133,046.30/x
  3. Step 3: Cross multiply
    448,581.80x = 673,002.30 × 133,046.30
  4. Step 4: Simplify right side
    448,581.80x = 89,540,465,906.49
  5. Step 5: Solve for x
    x = 89,540,465,906.49/448,581.80
  6. Step 6: Final answer
    x = 199,607.89

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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.