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Finding the Fourth Proportional to 458,484.73, 686,832.44 and 300,233.41

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Solution

The fourth proportional to 458,484.73, 686,832.44 and 300,233.41 is: 449,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,484.73 : 686,832.44 = 300,233.41 : x
  2. Step 2: Convert to fraction form
    458,484.73/686,832.44 = 300,233.41/x
  3. Step 3: Cross multiply
    458,484.73x = 686,832.44 × 300,233.41
  4. Step 4: Simplify right side
    458,484.73x = 206,210,045,559.82
  5. Step 5: Solve for x
    x = 206,210,045,559.82/458,484.73
  6. Step 6: Final answer
    x = 449,764.26

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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.