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Finding the Fourth Proportional to 332,644.70, 498,857.70 and 122,255.30

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Solution

The fourth proportional to 332,644.70, 498,857.70 and 122,255.30 is: 183,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,644.70 : 498,857.70 = 122,255.30 : x
  2. Step 2: Convert to fraction form
    332,644.70/498,857.70 = 122,255.30/x
  3. Step 3: Cross multiply
    332,644.70x = 498,857.70 × 122,255.30
  4. Step 4: Simplify right side
    332,644.70x = 60,987,997,770.81
  5. Step 5: Solve for x
    x = 60,987,997,770.81/332,644.70
  6. Step 6: Final answer
    x = 183,342.76

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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.