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Finding the Fourth Proportional to 363,321.40, 501,376.89 and 202,175.04

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Solution

The fourth proportional to 363,321.40, 501,376.89 and 202,175.04 is: 278,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,321.40 : 501,376.89 = 202,175.04 : x
  2. Step 2: Convert to fraction form
    363,321.40/501,376.89 = 202,175.04/x
  3. Step 3: Cross multiply
    363,321.40x = 501,376.89 × 202,175.04
  4. Step 4: Simplify right side
    363,321.40x = 101,365,891,471.67
  5. Step 5: Solve for x
    x = 101,365,891,471.67/363,321.40
  6. Step 6: Final answer
    x = 278,997.86

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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.