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Finding the Fourth Proportional to 515,698.37, 773,705.92 and 246,170.44

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Solution

The fourth proportional to 515,698.37, 773,705.92 and 246,170.44 is: 369,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,698.37 : 773,705.92 = 246,170.44 : x
  2. Step 2: Convert to fraction form
    515,698.37/773,705.92 = 246,170.44/x
  3. Step 3: Cross multiply
    515,698.37x = 773,705.92 × 246,170.44
  4. Step 4: Simplify right side
    515,698.37x = 190,463,526,757.01
  5. Step 5: Solve for x
    x = 190,463,526,757.01/515,698.37
  6. Step 6: Final answer
    x = 369,331.26

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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.