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Finding the Fourth Proportional to 496,930.75, 685,764.44 and 270,576.25

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Solution

The fourth proportional to 496,930.75, 685,764.44 and 270,576.25 is: 373,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,930.75 : 685,764.44 = 270,576.25 : x
  2. Step 2: Convert to fraction form
    496,930.75/685,764.44 = 270,576.25/x
  3. Step 3: Cross multiply
    496,930.75x = 685,764.44 × 270,576.25
  4. Step 4: Simplify right side
    496,930.75x = 185,551,570,558.55
  5. Step 5: Solve for x
    x = 185,551,570,558.55/496,930.75
  6. Step 6: Final answer
    x = 373,395.23

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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.