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Finding the Fourth Proportional to 363,745.74, 501,994.36 and 220,511.82

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Solution

The fourth proportional to 363,745.74, 501,994.36 and 220,511.82 is: 304,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,745.74 : 501,994.36 = 220,511.82 : x
  2. Step 2: Convert to fraction form
    363,745.74/501,994.36 = 220,511.82/x
  3. Step 3: Cross multiply
    363,745.74x = 501,994.36 × 220,511.82
  4. Step 4: Simplify right side
    363,745.74x = 110,695,689,953.34
  5. Step 5: Solve for x
    x = 110,695,689,953.34/363,745.74
  6. Step 6: Final answer
    x = 304,321.61

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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.