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Finding the Fourth Proportional to 379,186.84, 568,780.27 and 112,940.44

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Solution

The fourth proportional to 379,186.84, 568,780.27 and 112,940.44 is: 169,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,186.84 : 568,780.27 = 112,940.44 : x
  2. Step 2: Convert to fraction form
    379,186.84/568,780.27 = 112,940.44/x
  3. Step 3: Cross multiply
    379,186.84x = 568,780.27 × 112,940.44
  4. Step 4: Simplify right side
    379,186.84x = 64,238,292,893.84
  5. Step 5: Solve for x
    x = 64,238,292,893.84/379,186.84
  6. Step 6: Final answer
    x = 169,410.66

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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.