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Finding the Fourth Proportional to 321,846.63, 482,770.35 and 111,484.55

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Solution

The fourth proportional to 321,846.63, 482,770.35 and 111,484.55 is: 167,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,846.63 : 482,770.35 = 111,484.55 : x
  2. Step 2: Convert to fraction form
    321,846.63/482,770.35 = 111,484.55/x
  3. Step 3: Cross multiply
    321,846.63x = 482,770.35 × 111,484.55
  4. Step 4: Simplify right side
    321,846.63x = 53,821,435,223.09
  5. Step 5: Solve for x
    x = 53,821,435,223.09/321,846.63
  6. Step 6: Final answer
    x = 167,226.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.