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Finding the Fourth Proportional to 326,471.64, 450,576.30 and 181,310.04

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Solution

The fourth proportional to 326,471.64, 450,576.30 and 181,310.04 is: 250,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,471.64 : 450,576.30 = 181,310.04 : x
  2. Step 2: Convert to fraction form
    326,471.64/450,576.30 = 181,310.04/x
  3. Step 3: Cross multiply
    326,471.64x = 450,576.30 × 181,310.04
  4. Step 4: Simplify right side
    326,471.64x = 81,694,006,976.05
  5. Step 5: Solve for x
    x = 81,694,006,976.05/326,471.64
  6. Step 6: Final answer
    x = 250,233.09

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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.