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Finding the Fourth Proportional to 332,704.20, 498,278.70 and 326,022.60

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Solution

The fourth proportional to 332,704.20, 498,278.70 and 326,022.60 is: 488,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,704.20 : 498,278.70 = 326,022.60 : x
  2. Step 2: Convert to fraction form
    332,704.20/498,278.70 = 326,022.60/x
  3. Step 3: Cross multiply
    332,704.20x = 498,278.70 × 326,022.60
  4. Step 4: Simplify right side
    332,704.20x = 162,450,117,298.62
  5. Step 5: Solve for x
    x = 162,450,117,298.62/332,704.20
  6. Step 6: Final answer
    x = 488,271.92

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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.