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Finding the Fourth Proportional to 322,599, 445,186.62 and 181,287

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Solution

The fourth proportional to 322,599, 445,186.62 and 181,287 is: 250,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,599 : 445,186.62 = 181,287 : x
  2. Step 2: Convert to fraction form
    322,599/445,186.62 = 181,287/x
  3. Step 3: Cross multiply
    322,599x = 445,186.62 × 181,287
  4. Step 4: Simplify right side
    322,599x = 80,706,546,779.94
  5. Step 5: Solve for x
    x = 80,706,546,779.94/322,599
  6. Step 6: Final answer
    x = 250,176.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.