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Finding the Fourth Proportional to 482,745.42, 666,317.83 and 301,348.06

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Solution

The fourth proportional to 482,745.42, 666,317.83 and 301,348.06 is: 415,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,745.42 : 666,317.83 = 301,348.06 : x
  2. Step 2: Convert to fraction form
    482,745.42/666,317.83 = 301,348.06/x
  3. Step 3: Cross multiply
    482,745.42x = 666,317.83 × 301,348.06
  4. Step 4: Simplify right side
    482,745.42x = 200,793,585,413.91
  5. Step 5: Solve for x
    x = 200,793,585,413.91/482,745.42
  6. Step 6: Final answer
    x = 415,940.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.