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Finding the Fourth Proportional to 322,697.40, 484,035.12 and 123,010.56

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Solution

The fourth proportional to 322,697.40, 484,035.12 and 123,010.56 is: 184,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,697.40 : 484,035.12 = 123,010.56 : x
  2. Step 2: Convert to fraction form
    322,697.40/484,035.12 = 123,010.56/x
  3. Step 3: Cross multiply
    322,697.40x = 484,035.12 × 123,010.56
  4. Step 4: Simplify right side
    322,697.40x = 59,541,431,170.87
  5. Step 5: Solve for x
    x = 59,541,431,170.87/322,697.40
  6. Step 6: Final answer
    x = 184,511.65

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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.