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Finding the Fourth Proportional to 326,471.26, 450,530.33 and 183,231.30

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Solution

The fourth proportional to 326,471.26, 450,530.33 and 183,231.30 is: 252,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,471.26 : 450,530.33 = 183,231.30 : x
  2. Step 2: Convert to fraction form
    326,471.26/450,530.33 = 183,231.30/x
  3. Step 3: Cross multiply
    326,471.26x = 450,530.33 × 183,231.30
  4. Step 4: Simplify right side
    326,471.26x = 82,551,258,055.33
  5. Step 5: Solve for x
    x = 82,551,258,055.33/326,471.26
  6. Step 6: Final answer
    x = 252,859.19

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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.