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Finding the Fourth Proportional to 356,261.82, 491,641.64 and 192,917.83

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Solution

The fourth proportional to 356,261.82, 491,641.64 and 192,917.83 is: 266,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,261.82 : 491,641.64 = 192,917.83 : x
  2. Step 2: Convert to fraction form
    356,261.82/491,641.64 = 192,917.83/x
  3. Step 3: Cross multiply
    356,261.82x = 491,641.64 × 192,917.83
  4. Step 4: Simplify right side
    356,261.82x = 94,846,438,326.44
  5. Step 5: Solve for x
    x = 94,846,438,326.44/356,261.82
  6. Step 6: Final answer
    x = 266,226.78

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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.