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Finding the Fourth Proportional to 325,992.25, 449,870.93 and 190,120.42

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Solution

The fourth proportional to 325,992.25, 449,870.93 and 190,120.42 is: 262,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,992.25 : 449,870.93 = 190,120.42 : x
  2. Step 2: Convert to fraction form
    325,992.25/449,870.93 = 190,120.42/x
  3. Step 3: Cross multiply
    325,992.25x = 449,870.93 × 190,120.42
  4. Step 4: Simplify right side
    325,992.25x = 85,529,650,157.39
  5. Step 5: Solve for x
    x = 85,529,650,157.39/325,992.25
  6. Step 6: Final answer
    x = 262,367.13

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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.