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Finding the Fourth Proportional to 363,715.56, 501,942.99 and 202,570.62

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Solution

The fourth proportional to 363,715.56, 501,942.99 and 202,570.62 is: 279,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,715.56 : 501,942.99 = 202,570.62 : x
  2. Step 2: Convert to fraction form
    363,715.56/501,942.99 = 202,570.62/x
  3. Step 3: Cross multiply
    363,715.56x = 501,942.99 × 202,570.62
  4. Step 4: Simplify right side
    363,715.56x = 101,678,902,688.95
  5. Step 5: Solve for x
    x = 101,678,902,688.95/363,715.56
  6. Step 6: Final answer
    x = 279,556.10

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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.