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Finding the Fourth Proportional to 363,450.99, 501,551.20 and 202,301.90

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Solution

The fourth proportional to 363,450.99, 501,551.20 and 202,301.90 is: 279,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,450.99 : 501,551.20 = 202,301.90 : x
  2. Step 2: Convert to fraction form
    363,450.99/501,551.20 = 202,301.90/x
  3. Step 3: Cross multiply
    363,450.99x = 501,551.20 × 202,301.90
  4. Step 4: Simplify right side
    363,450.99x = 101,464,760,707.28
  5. Step 5: Solve for x
    x = 101,464,760,707.28/363,450.99
  6. Step 6: Final answer
    x = 279,170.41

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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.