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Finding the Fourth Proportional to 911,636.82, 1,367,456.22 and 237,717.54

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Solution

The fourth proportional to 911,636.82, 1,367,456.22 and 237,717.54 is: 356,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,636.82 : 1,367,456.22 = 237,717.54 : x
  2. Step 2: Convert to fraction form
    911,636.82/1,367,456.22 = 237,717.54/x
  3. Step 3: Cross multiply
    911,636.82x = 1,367,456.22 × 237,717.54
  4. Step 4: Simplify right side
    911,636.82x = 325,068,328,676.10
  5. Step 5: Solve for x
    x = 325,068,328,676.10/911,636.82
  6. Step 6: Final answer
    x = 356,576.57

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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.