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Finding the Fourth Proportional to 448,584.80, 673,006.80 and 133,049.30

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Solution

The fourth proportional to 448,584.80, 673,006.80 and 133,049.30 is: 199,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,584.80 : 673,006.80 = 133,049.30 : x
  2. Step 2: Convert to fraction form
    448,584.80/673,006.80 = 133,049.30/x
  3. Step 3: Cross multiply
    448,584.80x = 673,006.80 × 133,049.30
  4. Step 4: Simplify right side
    448,584.80x = 89,543,083,635.24
  5. Step 5: Solve for x
    x = 89,543,083,635.24/448,584.80
  6. Step 6: Final answer
    x = 199,612.39

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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.