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Finding the Fourth Proportional to 321,240.60, 481,589.82 and 202,650.66

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Solution

The fourth proportional to 321,240.60, 481,589.82 and 202,650.66 is: 303,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,240.60 : 481,589.82 = 202,650.66 : x
  2. Step 2: Convert to fraction form
    321,240.60/481,589.82 = 202,650.66/x
  3. Step 3: Cross multiply
    321,240.60x = 481,589.82 × 202,650.66
  4. Step 4: Simplify right side
    321,240.60x = 97,594,494,872.28
  5. Step 5: Solve for x
    x = 97,594,494,872.28/321,240.60
  6. Step 6: Final answer
    x = 303,804.98

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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.