Finding the Fourth Proportional to 274,829.22, 412,469.91 and 117,235.62
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Solution
The fourth proportional to 274,829.22, 412,469.91 and 117,235.62 is: 175,949.87
Step by Step Solution
- Step 1: Write the proportion equation
274,829.22 : 412,469.91 = 117,235.62 : x - Step 2: Convert to fraction form
274,829.22/412,469.91 = 117,235.62/x - Step 3: Cross multiply
274,829.22x = 412,469.91 × 117,235.62 - Step 4: Simplify right side
274,829.22x = 48,356,165,630.19 - Step 5: Solve for x
x = 48,356,165,630.19/274,829.22 - Step 6: Final answer
x = 175,949.87
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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.