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Finding the Fourth Proportional to 379,043.46, 568,562.40 and 154,351.08

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Solution

The fourth proportional to 379,043.46, 568,562.40 and 154,351.08 is: 231,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,043.46 : 568,562.40 = 154,351.08 : x
  2. Step 2: Convert to fraction form
    379,043.46/568,562.40 = 154,351.08/x
  3. Step 3: Cross multiply
    379,043.46x = 568,562.40 × 154,351.08
  4. Step 4: Simplify right side
    379,043.46x = 87,758,220,487.39
  5. Step 5: Solve for x
    x = 87,758,220,487.39/379,043.46
  6. Step 6: Final answer
    x = 231,525.48

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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.