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Finding the Fourth Proportional to 332,020.60, 498,030.90 and 82,702.60

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Solution

The fourth proportional to 332,020.60, 498,030.90 and 82,702.60 is: 124,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,020.60 : 498,030.90 = 82,702.60 : x
  2. Step 2: Convert to fraction form
    332,020.60/498,030.90 = 82,702.60/x
  3. Step 3: Cross multiply
    332,020.60x = 498,030.90 × 82,702.60
  4. Step 4: Simplify right side
    332,020.60x = 41,188,450,310.34
  5. Step 5: Solve for x
    x = 41,188,450,310.34/332,020.60
  6. Step 6: Final answer
    x = 124,053.90

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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.