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Finding the Fourth Proportional to 453,003.05, 678,025.98 and 333,028.23

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Solution

The fourth proportional to 453,003.05, 678,025.98 and 333,028.23 is: 498,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,003.05 : 678,025.98 = 333,028.23 : x
  2. Step 2: Convert to fraction form
    453,003.05/678,025.98 = 333,028.23/x
  3. Step 3: Cross multiply
    453,003.05x = 678,025.98 × 333,028.23
  4. Step 4: Simplify right side
    453,003.05x = 225,801,792,013.42
  5. Step 5: Solve for x
    x = 225,801,792,013.42/453,003.05
  6. Step 6: Final answer
    x = 498,455.35

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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.