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Finding the Fourth Proportional to 327,110.70, 490,698.45 and 113,845.80

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Solution

The fourth proportional to 327,110.70, 490,698.45 and 113,845.80 is: 170,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,110.70 : 490,698.45 = 113,845.80 : x
  2. Step 2: Convert to fraction form
    327,110.70/490,698.45 = 113,845.80/x
  3. Step 3: Cross multiply
    327,110.70x = 490,698.45 × 113,845.80
  4. Step 4: Simplify right side
    327,110.70x = 55,863,957,599.01
  5. Step 5: Solve for x
    x = 55,863,957,599.01/327,110.70
  6. Step 6: Final answer
    x = 170,779.98

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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.