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Finding the Fourth Proportional to 356,366.44, 491,784.24 and 195,221.26

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Solution

The fourth proportional to 356,366.44, 491,784.24 and 195,221.26 is: 269,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,366.44 : 491,784.24 = 195,221.26 : x
  2. Step 2: Convert to fraction form
    356,366.44/491,784.24 = 195,221.26/x
  3. Step 3: Cross multiply
    356,366.44x = 491,784.24 × 195,221.26
  4. Step 4: Simplify right side
    356,366.44x = 96,006,738,980.94
  5. Step 5: Solve for x
    x = 96,006,738,980.94/356,366.44
  6. Step 6: Final answer
    x = 269,404.55

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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.