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Finding the Fourth Proportional to 448,227.38, 672,472.74 and 132,692.49

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Solution

The fourth proportional to 448,227.38, 672,472.74 and 132,692.49 is: 199,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,227.38 : 672,472.74 = 132,692.49 : x
  2. Step 2: Convert to fraction form
    448,227.38/672,472.74 = 132,692.49/x
  3. Step 3: Cross multiply
    448,227.38x = 672,472.74 × 132,692.49
  4. Step 4: Simplify right side
    448,227.38x = 89,232,082,327.72
  5. Step 5: Solve for x
    x = 89,232,082,327.72/448,227.38
  6. Step 6: Final answer
    x = 199,077.72

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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.