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Finding the Fourth Proportional to 322,208.88, 483,512.78 and 187,336.38

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Solution

The fourth proportional to 322,208.88, 483,512.78 and 187,336.38 is: 281,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,208.88 : 483,512.78 = 187,336.38 : x
  2. Step 2: Convert to fraction form
    322,208.88/483,512.78 = 187,336.38/x
  3. Step 3: Cross multiply
    322,208.88x = 483,512.78 × 187,336.38
  4. Step 4: Simplify right side
    322,208.88x = 90,579,533,888.94
  5. Step 5: Solve for x
    x = 90,579,533,888.94/322,208.88
  6. Step 6: Final answer
    x = 281,120.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.