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Finding the Fourth Proportional to 323,775.96, 447,092.82 and 203,124.66

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Solution

The fourth proportional to 323,775.96, 447,092.82 and 203,124.66 is: 280,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,775.96 : 447,092.82 = 203,124.66 : x
  2. Step 2: Convert to fraction form
    323,775.96/447,092.82 = 203,124.66/x
  3. Step 3: Cross multiply
    323,775.96x = 447,092.82 × 203,124.66
  4. Step 4: Simplify right side
    323,775.96x = 90,815,577,050.94
  5. Step 5: Solve for x
    x = 90,815,577,050.94/323,775.96
  6. Step 6: Final answer
    x = 280,488.94

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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.