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Finding the Fourth Proportional to 622,690.80, 933,906.60 and 173,295.60

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Solution

The fourth proportional to 622,690.80, 933,906.60 and 173,295.60 is: 259,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,690.80 : 933,906.60 = 173,295.60 : x
  2. Step 2: Convert to fraction form
    622,690.80/933,906.60 = 173,295.60/x
  3. Step 3: Cross multiply
    622,690.80x = 933,906.60 × 173,295.60
  4. Step 4: Simplify right side
    622,690.80x = 161,841,904,590.96
  5. Step 5: Solve for x
    x = 161,841,904,590.96/622,690.80
  6. Step 6: Final answer
    x = 259,907.33

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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.