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Finding the Fourth Proportional to 404,809.05, 607,286.48 and 168,175.65

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Solution

The fourth proportional to 404,809.05, 607,286.48 and 168,175.65 is: 252,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,809.05 : 607,286.48 = 168,175.65 : x
  2. Step 2: Convert to fraction form
    404,809.05/607,286.48 = 168,175.65/x
  3. Step 3: Cross multiply
    404,809.05x = 607,286.48 × 168,175.65
  4. Step 4: Simplify right side
    404,809.05x = 102,130,797,669.33
  5. Step 5: Solve for x
    x = 102,130,797,669.33/404,809.05
  6. Step 6: Final answer
    x = 252,293.76

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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.