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Finding the Fourth Proportional to 381,101.43, 525,973.46 and 219,922.23

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Solution

The fourth proportional to 381,101.43, 525,973.46 and 219,922.23 is: 303,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,101.43 : 525,973.46 = 219,922.23 : x
  2. Step 2: Convert to fraction form
    381,101.43/525,973.46 = 219,922.23/x
  3. Step 3: Cross multiply
    381,101.43x = 525,973.46 × 219,922.23
  4. Step 4: Simplify right side
    381,101.43x = 115,673,255,144.41
  5. Step 5: Solve for x
    x = 115,673,255,144.41/381,101.43
  6. Step 6: Final answer
    x = 303,523.54

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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.