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Finding the Fourth Proportional to 336,361.91, 503,971.89 and 202,961.85

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Solution

The fourth proportional to 336,361.91, 503,971.89 and 202,961.85 is: 304,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,361.91 : 503,971.89 = 202,961.85 : x
  2. Step 2: Convert to fraction form
    336,361.91/503,971.89 = 202,961.85/x
  3. Step 3: Cross multiply
    336,361.91x = 503,971.89 × 202,961.85
  4. Step 4: Simplify right side
    336,361.91x = 102,287,067,142.40
  5. Step 5: Solve for x
    x = 102,287,067,142.40/336,361.91
  6. Step 6: Final answer
    x = 304,098.25

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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.