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Finding the Fourth Proportional to 365,464.55, 548,290.26 and 140,764.68

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Solution

The fourth proportional to 365,464.55, 548,290.26 and 140,764.68 is: 211,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,464.55 : 548,290.26 = 140,764.68 : x
  2. Step 2: Convert to fraction form
    365,464.55/548,290.26 = 140,764.68/x
  3. Step 3: Cross multiply
    365,464.55x = 548,290.26 × 140,764.68
  4. Step 4: Simplify right side
    365,464.55x = 77,179,902,996.02
  5. Step 5: Solve for x
    x = 77,179,902,996.02/365,464.55
  6. Step 6: Final answer
    x = 211,183.01

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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.