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Finding the Fourth Proportional to 448,912.44, 673,478.46 and 149,392.44

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Solution

The fourth proportional to 448,912.44, 673,478.46 and 149,392.44 is: 224,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,912.44 : 673,478.46 = 149,392.44 : x
  2. Step 2: Convert to fraction form
    448,912.44/673,478.46 = 149,392.44/x
  3. Step 3: Cross multiply
    448,912.44x = 673,478.46 × 149,392.44
  4. Step 4: Simplify right side
    448,912.44x = 100,612,590,426.84
  5. Step 5: Solve for x
    x = 100,612,590,426.84/448,912.44
  6. Step 6: Final answer
    x = 224,125.20

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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.