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Finding the Fourth Proportional to 567,396.90, 851,289.77 and 193,682.34

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Solution

The fourth proportional to 567,396.90, 851,289.77 and 193,682.34 is: 290,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,396.90 : 851,289.77 = 193,682.34 : x
  2. Step 2: Convert to fraction form
    567,396.90/851,289.77 = 193,682.34/x
  3. Step 3: Cross multiply
    567,396.90x = 851,289.77 × 193,682.34
  4. Step 4: Simplify right side
    567,396.90x = 164,879,794,671.66
  5. Step 5: Solve for x
    x = 164,879,794,671.66/567,396.90
  6. Step 6: Final answer
    x = 290,589.88

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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.