Finding the Fourth Proportional to 482,722.80, 724,170.60 and 202,268.40
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Solution
The fourth proportional to 482,722.80, 724,170.60 and 202,268.40 is: 303,438.80
Step by Step Solution
- Step 1: Write the proportion equation
482,722.80 : 724,170.60 = 202,268.40 : x - Step 2: Convert to fraction form
482,722.80/724,170.60 = 202,268.40/x - Step 3: Cross multiply
482,722.80x = 724,170.60 × 202,268.40 - Step 4: Simplify right side
482,722.80x = 146,476,828,589.04 - Step 5: Solve for x
x = 146,476,828,589.04/482,722.80 - Step 6: Final answer
x = 303,438.80
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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.