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Finding the Fourth Proportional to 363,611, 545,475.58 and 107,469.56

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Solution

The fourth proportional to 363,611, 545,475.58 and 107,469.56 is: 161,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,611 : 545,475.58 = 107,469.56 : x
  2. Step 2: Convert to fraction form
    363,611/545,475.58 = 107,469.56/x
  3. Step 3: Cross multiply
    363,611x = 545,475.58 × 107,469.56
  4. Step 4: Simplify right side
    363,611x = 58,622,020,573.34
  5. Step 5: Solve for x
    x = 58,622,020,573.34/363,611
  6. Step 6: Final answer
    x = 161,221.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.