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Finding the Fourth Proportional to 363,516.95, 501,580.11 and 220,193.73

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Solution

The fourth proportional to 363,516.95, 501,580.11 and 220,193.73 is: 303,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,516.95 : 501,580.11 = 220,193.73 : x
  2. Step 2: Convert to fraction form
    363,516.95/501,580.11 = 220,193.73/x
  3. Step 3: Cross multiply
    363,516.95x = 501,580.11 × 220,193.73
  4. Step 4: Simplify right side
    363,516.95x = 110,444,795,314.71
  5. Step 5: Solve for x
    x = 110,444,795,314.71/363,516.95
  6. Step 6: Final answer
    x = 303,822.96

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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.