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Finding the Fourth Proportional to 450,764.37, 675,149.94 and 308,271.96

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Solution

The fourth proportional to 450,764.37, 675,149.94 and 308,271.96 is: 461,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,764.37 : 675,149.94 = 308,271.96 : x
  2. Step 2: Convert to fraction form
    450,764.37/675,149.94 = 308,271.96/x
  3. Step 3: Cross multiply
    450,764.37x = 675,149.94 × 308,271.96
  4. Step 4: Simplify right side
    450,764.37x = 208,129,795,297.68
  5. Step 5: Solve for x
    x = 208,129,795,297.68/450,764.37
  6. Step 6: Final answer
    x = 461,726.37

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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.