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Finding the Fourth Proportional to 366,679.73, 550,020.06 and 100,442.58

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Solution

The fourth proportional to 366,679.73, 550,020.06 and 100,442.58 is: 150,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,679.73 : 550,020.06 = 100,442.58 : x
  2. Step 2: Convert to fraction form
    366,679.73/550,020.06 = 100,442.58/x
  3. Step 3: Cross multiply
    366,679.73x = 550,020.06 × 100,442.58
  4. Step 4: Simplify right side
    366,679.73x = 55,245,433,878.15
  5. Step 5: Solve for x
    x = 55,245,433,878.15/366,679.73
  6. Step 6: Final answer
    x = 150,664.00

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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.