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Finding the Fourth Proportional to 764,625.78, 1,146,997 and 232,190.92

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Solution

The fourth proportional to 764,625.78, 1,146,997 and 232,190.92 is: 348,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,625.78 : 1,146,997 = 232,190.92 : x
  2. Step 2: Convert to fraction form
    764,625.78/1,146,997 = 232,190.92/x
  3. Step 3: Cross multiply
    764,625.78x = 1,146,997 × 232,190.92
  4. Step 4: Simplify right side
    764,625.78x = 266,322,288,667.24
  5. Step 5: Solve for x
    x = 266,322,288,667.24/764,625.78
  6. Step 6: Final answer
    x = 348,304.09

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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.