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Finding the Fourth Proportional to 383,104.44, 574,656.66 and 133,780.92

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Solution

The fourth proportional to 383,104.44, 574,656.66 and 133,780.92 is: 200,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,104.44 : 574,656.66 = 133,780.92 : x
  2. Step 2: Convert to fraction form
    383,104.44/574,656.66 = 133,780.92/x
  3. Step 3: Cross multiply
    383,104.44x = 574,656.66 × 133,780.92
  4. Step 4: Simplify right side
    383,104.44x = 76,878,096,658.93
  5. Step 5: Solve for x
    x = 76,878,096,658.93/383,104.44
  6. Step 6: Final answer
    x = 200,671.38

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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.