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Finding the Fourth Proportional to 325,627.44, 449,365.86 and 198,303.03

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Solution

The fourth proportional to 325,627.44, 449,365.86 and 198,303.03 is: 273,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,627.44 : 449,365.86 = 198,303.03 : x
  2. Step 2: Convert to fraction form
    325,627.44/449,365.86 = 198,303.03/x
  3. Step 3: Cross multiply
    325,627.44x = 449,365.86 × 198,303.03
  4. Step 4: Simplify right side
    325,627.44x = 89,110,611,616.56
  5. Step 5: Solve for x
    x = 89,110,611,616.56/325,627.44
  6. Step 6: Final answer
    x = 273,658.18

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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.