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Finding the Fourth Proportional to 496,778.82, 744,650.64 and 230,319.60

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Solution

The fourth proportional to 496,778.82, 744,650.64 and 230,319.60 is: 345,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,778.82 : 744,650.64 = 230,319.60 : x
  2. Step 2: Convert to fraction form
    496,778.82/744,650.64 = 230,319.60/x
  3. Step 3: Cross multiply
    496,778.82x = 744,650.64 × 230,319.60
  4. Step 4: Simplify right side
    496,778.82x = 171,507,637,544.54
  5. Step 5: Solve for x
    x = 171,507,637,544.54/496,778.82
  6. Step 6: Final answer
    x = 345,239.43

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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.