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Finding the Fourth Proportional to 326,471.14, 450,575.61 and 181,309.54

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Solution

The fourth proportional to 326,471.14, 450,575.61 and 181,309.54 is: 250,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,471.14 : 450,575.61 = 181,309.54 : x
  2. Step 2: Convert to fraction form
    326,471.14/450,575.61 = 181,309.54/x
  3. Step 3: Cross multiply
    326,471.14x = 450,575.61 × 181,309.54
  4. Step 4: Simplify right side
    326,471.14x = 81,693,656,584.32
  5. Step 5: Solve for x
    x = 81,693,656,584.32/326,471.14
  6. Step 6: Final answer
    x = 250,232.40

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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.