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Finding the Fourth Proportional to 404,844.82, 606,939.10 and 168,364.51

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Solution

The fourth proportional to 404,844.82, 606,939.10 and 168,364.51 is: 252,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,844.82 : 606,939.10 = 168,364.51 : x
  2. Step 2: Convert to fraction form
    404,844.82/606,939.10 = 168,364.51/x
  3. Step 3: Cross multiply
    404,844.82x = 606,939.10 × 168,364.51
  4. Step 4: Simplify right side
    404,844.82x = 102,187,004,171.34
  5. Step 5: Solve for x
    x = 102,187,004,171.34/404,844.82
  6. Step 6: Final answer
    x = 252,410.30

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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.