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Finding the Fourth Proportional to 356,375.36, 491,810.22 and 195,230.36

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Solution

The fourth proportional to 356,375.36, 491,810.22 and 195,230.36 is: 269,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,375.36 : 491,810.22 = 195,230.36 : x
  2. Step 2: Convert to fraction form
    356,375.36/491,810.22 = 195,230.36/x
  3. Step 3: Cross multiply
    356,375.36x = 491,810.22 × 195,230.36
  4. Step 4: Simplify right side
    356,375.36x = 96,016,283,843.23
  5. Step 5: Solve for x
    x = 96,016,283,843.23/356,375.36
  6. Step 6: Final answer
    x = 269,424.59

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1.5x scale

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.