Finding the Fourth Proportional to 633,503.99, 874,235.67 and 347,034.26
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Solution
The fourth proportional to 633,503.99, 874,235.67 and 347,034.26 is: 478,907.37
Step by Step Solution
- Step 1: Write the proportion equation
633,503.99 : 874,235.67 = 347,034.26 : x - Step 2: Convert to fraction form
633,503.99/874,235.67 = 347,034.26/x - Step 3: Cross multiply
633,503.99x = 874,235.67 × 347,034.26 - Step 4: Simplify right side
633,503.99x = 303,389,729,688.27 - Step 5: Solve for x
x = 303,389,729,688.27/633,503.99 - Step 6: Final answer
x = 478,907.37
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1.5x scale
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.