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Finding the Fourth Proportional to 321,771.67, 444,109.52 and 185,827.75

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Solution

The fourth proportional to 321,771.67, 444,109.52 and 185,827.75 is: 256,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,771.67 : 444,109.52 = 185,827.75 : x
  2. Step 2: Convert to fraction form
    321,771.67/444,109.52 = 185,827.75/x
  3. Step 3: Cross multiply
    321,771.67x = 444,109.52 × 185,827.75
  4. Step 4: Simplify right side
    321,771.67x = 82,527,872,855.18
  5. Step 5: Solve for x
    x = 82,527,872,855.18/321,771.67
  6. Step 6: Final answer
    x = 256,479.61

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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.