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Finding the Fourth Proportional to 321,595.23, 443,729.91 and 185,600.37

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Solution

The fourth proportional to 321,595.23, 443,729.91 and 185,600.37 is: 256,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,595.23 : 443,729.91 = 185,600.37 : x
  2. Step 2: Convert to fraction form
    321,595.23/443,729.91 = 185,600.37/x
  3. Step 3: Cross multiply
    321,595.23x = 443,729.91 × 185,600.37
  4. Step 4: Simplify right side
    321,595.23x = 82,356,435,476.07
  5. Step 5: Solve for x
    x = 82,356,435,476.07/321,595.23
  6. Step 6: Final answer
    x = 256,087.24

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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.