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Finding the Fourth Proportional to 379,156.44, 568,575.88 and 154,364

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Solution

The fourth proportional to 379,156.44, 568,575.88 and 154,364 is: 231,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,156.44 : 568,575.88 = 154,364 : x
  2. Step 2: Convert to fraction form
    379,156.44/568,575.88 = 154,364/x
  3. Step 3: Cross multiply
    379,156.44x = 568,575.88 × 154,364
  4. Step 4: Simplify right side
    379,156.44x = 87,767,647,140.32
  5. Step 5: Solve for x
    x = 87,767,647,140.32/379,156.44
  6. Step 6: Final answer
    x = 231,481.36

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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.