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Finding the Fourth Proportional to 332,620.22, 498,702.60 and 119,383.40

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Solution

The fourth proportional to 332,620.22, 498,702.60 and 119,383.40 is: 178,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,620.22 : 498,702.60 = 119,383.40 : x
  2. Step 2: Convert to fraction form
    332,620.22/498,702.60 = 119,383.40/x
  3. Step 3: Cross multiply
    332,620.22x = 498,702.60 × 119,383.40
  4. Step 4: Simplify right side
    332,620.22x = 59,536,811,976.84
  5. Step 5: Solve for x
    x = 59,536,811,976.84/332,620.22
  6. Step 6: Final answer
    x = 178,993.36

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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.