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Finding the Fourth Proportional to 356,161.32, 491,502.51 and 195,016.32

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Solution

The fourth proportional to 356,161.32, 491,502.51 and 195,016.32 is: 269,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,161.32 : 491,502.51 = 195,016.32 : x
  2. Step 2: Convert to fraction form
    356,161.32/491,502.51 = 195,016.32/x
  3. Step 3: Cross multiply
    356,161.32x = 491,502.51 × 195,016.32
  4. Step 4: Simplify right side
    356,161.32x = 95,851,010,770.96
  5. Step 5: Solve for x
    x = 95,851,010,770.96/356,161.32
  6. Step 6: Final answer
    x = 269,122.46

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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.