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Finding the Fourth Proportional to 322,587.21, 445,181.80 and 177,404.03

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Solution

The fourth proportional to 322,587.21, 445,181.80 and 177,404.03 is: 244,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,587.21 : 445,181.80 = 177,404.03 : x
  2. Step 2: Convert to fraction form
    322,587.21/445,181.80 = 177,404.03/x
  3. Step 3: Cross multiply
    322,587.21x = 445,181.80 × 177,404.03
  4. Step 4: Simplify right side
    322,587.21x = 78,977,046,959.12
  5. Step 5: Solve for x
    x = 78,977,046,959.12/322,587.21
  6. Step 6: Final answer
    x = 244,823.86

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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.