Finding the Fourth Proportional to 405,939.24, 560,197.22 and 224,663.67
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Solution
The fourth proportional to 405,939.24, 560,197.22 and 224,663.67 is: 310,036.45
Step by Step Solution
- Step 1: Write the proportion equation
405,939.24 : 560,197.22 = 224,663.67 : x - Step 2: Convert to fraction form
405,939.24/560,197.22 = 224,663.67/x - Step 3: Cross multiply
405,939.24x = 560,197.22 × 224,663.67 - Step 4: Simplify right side
405,939.24x = 125,855,962,245.68 - Step 5: Solve for x
x = 125,855,962,245.68/405,939.24 - Step 6: Final answer
x = 310,036.45
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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.