Finding the Fourth Proportional to 344,279.22, 516,418.44 and 119,639.68
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Solution
The fourth proportional to 344,279.22, 516,418.44 and 119,639.68 is: 179,459.38
Step by Step Solution
- Step 1: Write the proportion equation
344,279.22 : 516,418.44 = 119,639.68 : x - Step 2: Convert to fraction form
344,279.22/516,418.44 = 119,639.68/x - Step 3: Cross multiply
344,279.22x = 516,418.44 × 119,639.68 - Step 4: Simplify right side
344,279.22x = 61,784,136,907.70 - Step 5: Solve for x
x = 61,784,136,907.70/344,279.22 - Step 6: Final answer
x = 179,459.38
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1.5x scale
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.