Finding the Fourth Proportional to 316,446.53, 474,674.67 and 103,213.53
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Solution
The fourth proportional to 316,446.53, 474,674.67 and 103,213.53 is: 154,821.89
Step by Step Solution
- Step 1: Write the proportion equation
316,446.53 : 474,674.67 = 103,213.53 : x - Step 2: Convert to fraction form
316,446.53/474,674.67 = 103,213.53/x - Step 3: Cross multiply
316,446.53x = 474,674.67 × 103,213.53 - Step 4: Simplify right side
316,446.53x = 48,992,848,292.29 - Step 5: Solve for x
x = 48,992,848,292.29/316,446.53 - Step 6: Final answer
x = 154,821.89
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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.