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Finding the Fourth Proportional to 448,691.49, 673,164.42 and 182,642.94

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Solution

The fourth proportional to 448,691.49, 673,164.42 and 182,642.94 is: 274,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,691.49 : 673,164.42 = 182,642.94 : x
  2. Step 2: Convert to fraction form
    448,691.49/673,164.42 = 182,642.94/x
  3. Step 3: Cross multiply
    448,691.49x = 673,164.42 × 182,642.94
  4. Step 4: Simplify right side
    448,691.49x = 122,948,728,772.20
  5. Step 5: Solve for x
    x = 122,948,728,772.20/448,691.49
  6. Step 6: Final answer
    x = 274,016.18

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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.