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Finding the Fourth Proportional to 528,049.73, 792,099.20 and 154,072.73

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Solution

The fourth proportional to 528,049.73, 792,099.20 and 154,072.73 is: 231,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,049.73 : 792,099.20 = 154,072.73 : x
  2. Step 2: Convert to fraction form
    528,049.73/792,099.20 = 154,072.73/x
  3. Step 3: Cross multiply
    528,049.73x = 792,099.20 × 154,072.73
  4. Step 4: Simplify right side
    528,049.73x = 122,040,886,174.82
  5. Step 5: Solve for x
    x = 122,040,886,174.82/528,049.73
  6. Step 6: Final answer
    x = 231,116.27

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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.