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Finding the Fourth Proportional to 448,513.62, 672,768.27 and 149,016.66

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Solution

The fourth proportional to 448,513.62, 672,768.27 and 149,016.66 is: 223,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,513.62 : 672,768.27 = 149,016.66 : x
  2. Step 2: Convert to fraction form
    448,513.62/672,768.27 = 149,016.66/x
  3. Step 3: Cross multiply
    448,513.62x = 672,768.27 × 149,016.66
  4. Step 4: Simplify right side
    448,513.62x = 100,253,680,549.38
  5. Step 5: Solve for x
    x = 100,253,680,549.38/448,513.62
  6. Step 6: Final answer
    x = 223,524.27

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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.