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Finding the Fourth Proportional to 363,136.50, 501,128.38 and 204,160.50

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Solution

The fourth proportional to 363,136.50, 501,128.38 and 204,160.50 is: 281,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,136.50 : 501,128.38 = 204,160.50 : x
  2. Step 2: Convert to fraction form
    363,136.50/501,128.38 = 204,160.50/x
  3. Step 3: Cross multiply
    363,136.50x = 501,128.38 × 204,160.50
  4. Step 4: Simplify right side
    363,136.50x = 102,310,620,624.99
  5. Step 5: Solve for x
    x = 102,310,620,624.99/363,136.50
  6. Step 6: Final answer
    x = 281,741.50

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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.