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Finding the Fourth Proportional to 332,379.40, 498,245.10 and 190,078.60

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Solution

The fourth proportional to 332,379.40, 498,245.10 and 190,078.60 is: 284,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,379.40 : 498,245.10 = 190,078.60 : x
  2. Step 2: Convert to fraction form
    332,379.40/498,245.10 = 190,078.60/x
  3. Step 3: Cross multiply
    332,379.40x = 498,245.10 × 190,078.60
  4. Step 4: Simplify right side
    332,379.40x = 94,705,731,064.86
  5. Step 5: Solve for x
    x = 94,705,731,064.86/332,379.40
  6. Step 6: Final answer
    x = 284,932.61

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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.