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Finding the Fourth Proportional to 449,039.70, 673,653.15 and 149,613.30

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Solution

The fourth proportional to 449,039.70, 673,653.15 and 149,613.30 is: 224,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,039.70 : 673,653.15 = 149,613.30 : x
  2. Step 2: Convert to fraction form
    449,039.70/673,653.15 = 149,613.30/x
  3. Step 3: Cross multiply
    449,039.70x = 673,653.15 × 149,613.30
  4. Step 4: Simplify right side
    449,039.70x = 100,787,470,826.90
  5. Step 5: Solve for x
    x = 100,787,470,826.90/449,039.70
  6. Step 6: Final answer
    x = 224,451.14

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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.