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Finding the Fourth Proportional to 286,028.37, 394,754.22 and 165,169.44

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Solution

The fourth proportional to 286,028.37, 394,754.22 and 165,169.44 is: 227,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,028.37 : 394,754.22 = 165,169.44 : x
  2. Step 2: Convert to fraction form
    286,028.37/394,754.22 = 165,169.44/x
  3. Step 3: Cross multiply
    286,028.37x = 394,754.22 × 165,169.44
  4. Step 4: Simplify right side
    286,028.37x = 65,201,333,455.04
  5. Step 5: Solve for x
    x = 65,201,333,455.04/286,028.37
  6. Step 6: Final answer
    x = 227,954.08

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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.