Finding the Fourth Proportional to 415,788.12, 573,935.04 and 246,021.84
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Solution
The fourth proportional to 415,788.12, 573,935.04 and 246,021.84 is: 339,597.38
Step by Step Solution
- Step 1: Write the proportion equation
415,788.12 : 573,935.04 = 246,021.84 : x - Step 2: Convert to fraction form
415,788.12/573,935.04 = 246,021.84/x - Step 3: Cross multiply
415,788.12x = 573,935.04 × 246,021.84 - Step 4: Simplify right side
415,788.12x = 141,200,554,581.27 - Step 5: Solve for x
x = 141,200,554,581.27/415,788.12 - Step 6: Final answer
x = 339,597.38
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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.