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Finding the Fourth Proportional to 404,021.87, 606,039.06 and 119,741.03

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Solution

The fourth proportional to 404,021.87, 606,039.06 and 119,741.03 is: 179,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,021.87 : 606,039.06 = 119,741.03 : x
  2. Step 2: Convert to fraction form
    404,021.87/606,039.06 = 119,741.03/x
  3. Step 3: Cross multiply
    404,021.87x = 606,039.06 × 119,741.03
  4. Step 4: Simplify right side
    404,021.87x = 72,567,738,234.44
  5. Step 5: Solve for x
    x = 72,567,738,234.44/404,021.87
  6. Step 6: Final answer
    x = 179,613.39

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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.