Finding the Fourth Proportional to 475,640.25, 713,083.99 and 235,584.20
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Solution
The fourth proportional to 475,640.25, 713,083.99 and 235,584.20 is: 353,189.88
Step by Step Solution
- Step 1: Write the proportion equation
475,640.25 : 713,083.99 = 235,584.20 : x - Step 2: Convert to fraction form
475,640.25/713,083.99 = 235,584.20/x - Step 3: Cross multiply
475,640.25x = 713,083.99 × 235,584.20 - Step 4: Simplify right side
475,640.25x = 167,991,321,316.96 - Step 5: Solve for x
x = 167,991,321,316.96/475,640.25 - Step 6: Final answer
x = 353,189.88
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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.