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Finding the Fourth Proportional to 373,680.44, 515,676.17 and 212,535.29

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Solution

The fourth proportional to 373,680.44, 515,676.17 and 212,535.29 is: 293,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,680.44 : 515,676.17 = 212,535.29 : x
  2. Step 2: Convert to fraction form
    373,680.44/515,676.17 = 212,535.29/x
  3. Step 3: Cross multiply
    373,680.44x = 515,676.17 × 212,535.29
  4. Step 4: Simplify right side
    373,680.44x = 109,599,386,157.57
  5. Step 5: Solve for x
    x = 109,599,386,157.57/373,680.44
  6. Step 6: Final answer
    x = 293,297.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.