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Finding the Fourth Proportional to 285,786.01, 394,293.99 and 164,911.33

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Solution

The fourth proportional to 285,786.01, 394,293.99 and 164,911.33 is: 227,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,786.01 : 394,293.99 = 164,911.33 : x
  2. Step 2: Convert to fraction form
    285,786.01/394,293.99 = 164,911.33/x
  3. Step 3: Cross multiply
    285,786.01x = 394,293.99 × 164,911.33
  4. Step 4: Simplify right side
    285,786.01x = 65,023,546,301.91
  5. Step 5: Solve for x
    x = 65,023,546,301.91/285,786.01
  6. Step 6: Final answer
    x = 227,525.30

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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.