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Finding the Fourth Proportional to 320,696.73, 442,608.21 and 184,704.21

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Solution

The fourth proportional to 320,696.73, 442,608.21 and 184,704.21 is: 254,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,696.73 : 442,608.21 = 184,704.21 : x
  2. Step 2: Convert to fraction form
    320,696.73/442,608.21 = 184,704.21/x
  3. Step 3: Cross multiply
    320,696.73x = 442,608.21 × 184,704.21
  4. Step 4: Simplify right side
    320,696.73x = 81,751,599,767.56
  5. Step 5: Solve for x
    x = 81,751,599,767.56/320,696.73
  6. Step 6: Final answer
    x = 254,918.72

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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.