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Finding the Fourth Proportional to 496,995.23, 685,835.41 and 303,726.29

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Solution

The fourth proportional to 496,995.23, 685,835.41 and 303,726.29 is: 419,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,995.23 : 685,835.41 = 303,726.29 : x
  2. Step 2: Convert to fraction form
    496,995.23/685,835.41 = 303,726.29/x
  3. Step 3: Cross multiply
    496,995.23x = 685,835.41 × 303,726.29
  4. Step 4: Simplify right side
    496,995.23x = 208,306,240,441.44
  5. Step 5: Solve for x
    x = 208,306,240,441.44/496,995.23
  6. Step 6: Final answer
    x = 419,131.26

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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.