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Finding the Fourth Proportional to 422,455.49, 632,866.65 and 234,898.37

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Solution

The fourth proportional to 422,455.49, 632,866.65 and 234,898.37 is: 351,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,455.49 : 632,866.65 = 234,898.37 : x
  2. Step 2: Convert to fraction form
    422,455.49/632,866.65 = 234,898.37/x
  3. Step 3: Cross multiply
    422,455.49x = 632,866.65 × 234,898.37
  4. Step 4: Simplify right side
    422,455.49x = 148,659,344,512.36
  5. Step 5: Solve for x
    x = 148,659,344,512.36/422,455.49
  6. Step 6: Final answer
    x = 351,893.51

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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.