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Finding the Fourth Proportional to 448,903.44, 673,466.13 and 133,359.84

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Solution

The fourth proportional to 448,903.44, 673,466.13 and 133,359.84 is: 200,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,903.44 : 673,466.13 = 133,359.84 : x
  2. Step 2: Convert to fraction form
    448,903.44/673,466.13 = 133,359.84/x
  3. Step 3: Cross multiply
    448,903.44x = 673,466.13 × 133,359.84
  4. Step 4: Simplify right side
    448,903.44x = 89,813,335,342.22
  5. Step 5: Solve for x
    x = 89,813,335,342.22/448,903.44
  6. Step 6: Final answer
    x = 200,072.73

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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.