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Finding the Fourth Proportional to 281,860.30, 422,227.12 and 169,478.98

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Solution

The fourth proportional to 281,860.30, 422,227.12 and 169,478.98 is: 253,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,860.30 : 422,227.12 = 169,478.98 : x
  2. Step 2: Convert to fraction form
    281,860.30/422,227.12 = 169,478.98/x
  3. Step 3: Cross multiply
    281,860.30x = 422,227.12 × 169,478.98
  4. Step 4: Simplify right side
    281,860.30x = 71,558,621,625.94
  5. Step 5: Solve for x
    x = 71,558,621,625.94/281,860.30
  6. Step 6: Final answer
    x = 253,879.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.