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Finding the Fourth Proportional to 325,596.20, 485,507.07 and 303,879.29

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Solution

The fourth proportional to 325,596.20, 485,507.07 and 303,879.29 is: 453,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,596.20 : 485,507.07 = 303,879.29 : x
  2. Step 2: Convert to fraction form
    325,596.20/485,507.07 = 303,879.29/x
  3. Step 3: Cross multiply
    325,596.20x = 485,507.07 × 303,879.29
  4. Step 4: Simplify right side
    325,596.20x = 147,535,541,294.05
  5. Step 5: Solve for x
    x = 147,535,541,294.05/325,596.20
  6. Step 6: Final answer
    x = 453,124.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.