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Finding the Fourth Proportional to 332,221.40, 498,234.90 and 118,964.60

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Solution

The fourth proportional to 332,221.40, 498,234.90 and 118,964.60 is: 178,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,221.40 : 498,234.90 = 118,964.60 : x
  2. Step 2: Convert to fraction form
    332,221.40/498,234.90 = 118,964.60/x
  3. Step 3: Cross multiply
    332,221.40x = 498,234.90 × 118,964.60
  4. Step 4: Simplify right side
    332,221.40x = 59,272,315,584.54
  5. Step 5: Solve for x
    x = 59,272,315,584.54/332,221.40
  6. Step 6: Final answer
    x = 178,412.09

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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.