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Finding the Fourth Proportional to 344,940.15, 476,016.70 and 194,037.15

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Solution

The fourth proportional to 344,940.15, 476,016.70 and 194,037.15 is: 267,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,940.15 : 476,016.70 = 194,037.15 : x
  2. Step 2: Convert to fraction form
    344,940.15/476,016.70 = 194,037.15/x
  3. Step 3: Cross multiply
    344,940.15x = 476,016.70 × 194,037.15
  4. Step 4: Simplify right side
    344,940.15x = 92,364,923,820.41
  5. Step 5: Solve for x
    x = 92,364,923,820.41/344,940.15
  6. Step 6: Final answer
    x = 267,770.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.