Finding the Fourth Proportional to 829,512.99, 1,244,269.49 and 474,277.90
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Solution
The fourth proportional to 829,512.99, 1,244,269.49 and 474,277.90 is: 711,416.85
Step by Step Solution
- Step 1: Write the proportion equation
829,512.99 : 1,244,269.49 = 474,277.90 : x - Step 2: Convert to fraction form
829,512.99/1,244,269.49 = 474,277.90/x - Step 3: Cross multiply
829,512.99x = 1,244,269.49 × 474,277.90 - Step 4: Simplify right side
829,512.99x = 590,129,517,047.75 - Step 5: Solve for x
x = 590,129,517,047.75/829,512.99 - Step 6: Final answer
x = 711,416.85
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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.