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Finding the Fourth Proportional to 495,469.15, 743,192.91 and 158,508.79

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Solution

The fourth proportional to 495,469.15, 743,192.91 and 158,508.79 is: 237,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,469.15 : 743,192.91 = 158,508.79 : x
  2. Step 2: Convert to fraction form
    495,469.15/743,192.91 = 158,508.79/x
  3. Step 3: Cross multiply
    495,469.15x = 743,192.91 × 158,508.79
  4. Step 4: Simplify right side
    495,469.15x = 117,802,608,900.68
  5. Step 5: Solve for x
    x = 117,802,608,900.68/495,469.15
  6. Step 6: Final answer
    x = 237,759.73

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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.