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Finding the Fourth Proportional to 325,170.06, 490,192.31 and 303,494.46

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Solution

The fourth proportional to 325,170.06, 490,192.31 and 303,494.46 is: 457,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,170.06 : 490,192.31 = 303,494.46 : x
  2. Step 2: Convert to fraction form
    325,170.06/490,192.31 = 303,494.46/x
  3. Step 3: Cross multiply
    325,170.06x = 490,192.31 × 303,494.46
  4. Step 4: Simplify right side
    325,170.06x = 148,770,650,419.60
  5. Step 5: Solve for x
    x = 148,770,650,419.60/325,170.06
  6. Step 6: Final answer
    x = 457,516.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.