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Finding the Fourth Proportional to 662,414.44, 993,654.08 and 189,170.32

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Solution

The fourth proportional to 662,414.44, 993,654.08 and 189,170.32 is: 283,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,414.44 : 993,654.08 = 189,170.32 : x
  2. Step 2: Convert to fraction form
    662,414.44/993,654.08 = 189,170.32/x
  3. Step 3: Cross multiply
    662,414.44x = 993,654.08 × 189,170.32
  4. Step 4: Simplify right side
    662,414.44x = 187,969,860,282.91
  5. Step 5: Solve for x
    x = 187,969,860,282.91/662,414.44
  6. Step 6: Final answer
    x = 283,764.74

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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.