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Finding the Fourth Proportional to 323,786.75, 446,825.72 and 189,650.75

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Solution

The fourth proportional to 323,786.75, 446,825.72 and 189,650.75 is: 261,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,786.75 : 446,825.72 = 189,650.75 : x
  2. Step 2: Convert to fraction form
    323,786.75/446,825.72 = 189,650.75/x
  3. Step 3: Cross multiply
    323,786.75x = 446,825.72 × 189,650.75
  4. Step 4: Simplify right side
    323,786.75x = 84,740,831,969.04
  5. Step 5: Solve for x
    x = 84,740,831,969.04/323,786.75
  6. Step 6: Final answer
    x = 261,718.04

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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.