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Finding the Fourth Proportional to 561,630.97, 843,193.82 and 295,578.33

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Solution

The fourth proportional to 561,630.97, 843,193.82 and 295,578.33 is: 443,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,630.97 : 843,193.82 = 295,578.33 : x
  2. Step 2: Convert to fraction form
    561,630.97/843,193.82 = 295,578.33/x
  3. Step 3: Cross multiply
    561,630.97x = 843,193.82 × 295,578.33
  4. Step 4: Simplify right side
    561,630.97x = 249,229,821,181.92
  5. Step 5: Solve for x
    x = 249,229,821,181.92/561,630.97
  6. Step 6: Final answer
    x = 443,760.82

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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.