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Finding the Fourth Proportional to 332,909.34, 499,260.33 and 111,241.50

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Solution

The fourth proportional to 332,909.34, 499,260.33 and 111,241.50 is: 166,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,909.34 : 499,260.33 = 111,241.50 : x
  2. Step 2: Convert to fraction form
    332,909.34/499,260.33 = 111,241.50/x
  3. Step 3: Cross multiply
    332,909.34x = 499,260.33 × 111,241.50
  4. Step 4: Simplify right side
    332,909.34x = 55,538,467,999.70
  5. Step 5: Solve for x
    x = 55,538,467,999.70/332,909.34
  6. Step 6: Final answer
    x = 166,827.61

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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.