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Finding the Fourth Proportional to 451,993.26, 623,744.91 and 248,046.06

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Solution

The fourth proportional to 451,993.26, 623,744.91 and 248,046.06 is: 342,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,993.26 : 623,744.91 = 248,046.06 : x
  2. Step 2: Convert to fraction form
    451,993.26/623,744.91 = 248,046.06/x
  3. Step 3: Cross multiply
    451,993.26x = 623,744.91 × 248,046.06
  4. Step 4: Simplify right side
    451,993.26x = 154,717,467,370.56
  5. Step 5: Solve for x
    x = 154,717,467,370.56/451,993.26
  6. Step 6: Final answer
    x = 342,300.39

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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.