Finding the Fourth Proportional to 669,049.76, 923,289.53 and 363,126.11
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Solution
The fourth proportional to 669,049.76, 923,289.53 and 363,126.11 is: 501,114.49
Step by Step Solution
- Step 1: Write the proportion equation
669,049.76 : 923,289.53 = 363,126.11 : x - Step 2: Convert to fraction form
669,049.76/923,289.53 = 363,126.11/x - Step 3: Cross multiply
669,049.76x = 923,289.53 × 363,126.11 - Step 4: Simplify right side
669,049.76x = 335,270,531,043.13 - Step 5: Solve for x
x = 335,270,531,043.13/669,049.76 - Step 6: Final answer
x = 501,114.49
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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.