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Finding the Fourth Proportional to 356,100.36, 491,418.62 and 194,965.64

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Solution

The fourth proportional to 356,100.36, 491,418.62 and 194,965.64 is: 269,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,100.36 : 491,418.62 = 194,965.64 : x
  2. Step 2: Convert to fraction form
    356,100.36/491,418.62 = 194,965.64/x
  3. Step 3: Cross multiply
    356,100.36x = 491,418.62 × 194,965.64
  4. Step 4: Simplify right side
    356,100.36x = 95,809,745,756.22
  5. Step 5: Solve for x
    x = 95,809,745,756.22/356,100.36
  6. Step 6: Final answer
    x = 269,052.65

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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.