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Finding the Fourth Proportional to 325,169.06, 490,190.80 and 303,493.46

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Solution

The fourth proportional to 325,169.06, 490,190.80 and 303,493.46 is: 457,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,169.06 : 490,190.80 = 303,493.46 : x
  2. Step 2: Convert to fraction form
    325,169.06/490,190.80 = 303,493.46/x
  3. Step 3: Cross multiply
    325,169.06x = 490,190.80 × 303,493.46
  4. Step 4: Simplify right side
    325,169.06x = 148,769,701,952.17
  5. Step 5: Solve for x
    x = 148,769,701,952.17/325,169.06
  6. Step 6: Final answer
    x = 457,514.94

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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.