Finding the Fourth Proportional to 674,047.99, 930,191.67 and 372,241.99
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Solution
The fourth proportional to 674,047.99, 930,191.67 and 372,241.99 is: 513,696.95
Step by Step Solution
- Step 1: Write the proportion equation
674,047.99 : 930,191.67 = 372,241.99 : x - Step 2: Convert to fraction form
674,047.99/930,191.67 = 372,241.99/x - Step 3: Cross multiply
674,047.99x = 930,191.67 × 372,241.99 - Step 4: Simplify right side
674,047.99x = 346,256,391,810.06 - Step 5: Solve for x
x = 346,256,391,810.06/674,047.99 - Step 6: Final answer
x = 513,696.95
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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.