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Finding the Fourth Proportional to 634,163.73, 951,392 and 213,429.33

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Solution

The fourth proportional to 634,163.73, 951,392 and 213,429.33 is: 320,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,163.73 : 951,392 = 213,429.33 : x
  2. Step 2: Convert to fraction form
    634,163.73/951,392 = 213,429.33/x
  3. Step 3: Cross multiply
    634,163.73x = 951,392 × 213,429.33
  4. Step 4: Simplify right side
    634,163.73x = 203,054,957,127.36
  5. Step 5: Solve for x
    x = 203,054,957,127.36/634,163.73
  6. Step 6: Final answer
    x = 320,193.27

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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.