Finding the Fourth Proportional to 503,322.18, 694,555.74 and 276,967.68
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Solution
The fourth proportional to 503,322.18, 694,555.74 and 276,967.68 is: 382,199.51
Step by Step Solution
- Step 1: Write the proportion equation
503,322.18 : 694,555.74 = 276,967.68 : x - Step 2: Convert to fraction form
503,322.18/694,555.74 = 276,967.68/x - Step 3: Cross multiply
503,322.18x = 694,555.74 × 276,967.68 - Step 4: Simplify right side
503,322.18x = 192,369,491,938.48 - Step 5: Solve for x
x = 192,369,491,938.48/503,322.18 - Step 6: Final answer
x = 382,199.51
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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.