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Finding the Fourth Proportional to 453,003.55, 678,026.73 and 333,028.73

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Solution

The fourth proportional to 453,003.55, 678,026.73 and 333,028.73 is: 498,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,003.55 : 678,026.73 = 333,028.73 : x
  2. Step 2: Convert to fraction form
    453,003.55/678,026.73 = 333,028.73/x
  3. Step 3: Cross multiply
    453,003.55x = 678,026.73 × 333,028.73
  4. Step 4: Simplify right side
    453,003.55x = 225,802,380,797.95
  5. Step 5: Solve for x
    x = 225,802,380,797.95/453,003.55
  6. Step 6: Final answer
    x = 498,456.10

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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.