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Finding the Fourth Proportional to 464,919.04, 641,351.04 and 303,868

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Solution

The fourth proportional to 464,919.04, 641,351.04 and 303,868 is: 419,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,919.04 : 641,351.04 = 303,868 : x
  2. Step 2: Convert to fraction form
    464,919.04/641,351.04 = 303,868/x
  3. Step 3: Cross multiply
    464,919.04x = 641,351.04 × 303,868
  4. Step 4: Simplify right side
    464,919.04x = 194,886,057,822.72
  5. Step 5: Solve for x
    x = 194,886,057,822.72/464,919.04
  6. Step 6: Final answer
    x = 419,182.78

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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.