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Finding the Fourth Proportional to 321,596.23, 443,731.29 and 185,601.37

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Solution

The fourth proportional to 321,596.23, 443,731.29 and 185,601.37 is: 256,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,596.23 : 443,731.29 = 185,601.37 : x
  2. Step 2: Convert to fraction form
    321,596.23/443,731.29 = 185,601.37/x
  3. Step 3: Cross multiply
    321,596.23x = 443,731.29 × 185,601.37
  4. Step 4: Simplify right side
    321,596.23x = 82,357,135,335.87
  5. Step 5: Solve for x
    x = 82,357,135,335.87/321,596.23
  6. Step 6: Final answer
    x = 256,088.62

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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.