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Finding the Fourth Proportional to 336,369.78, 503,983.71 and 202,969.74

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Solution

The fourth proportional to 336,369.78, 503,983.71 and 202,969.74 is: 304,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,369.78 : 503,983.71 = 202,969.74 : x
  2. Step 2: Convert to fraction form
    336,369.78/503,983.71 = 202,969.74/x
  3. Step 3: Cross multiply
    336,369.78x = 503,983.71 × 202,969.74
  4. Step 4: Simplify right side
    336,369.78x = 102,293,442,582.94
  5. Step 5: Solve for x
    x = 102,293,442,582.94/336,369.78
  6. Step 6: Final answer
    x = 304,110.09

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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.