Finding the Fourth Proportional to 656,328.36, 905,727.75 and 365,936.48
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Solution
The fourth proportional to 656,328.36, 905,727.75 and 365,936.48 is: 504,989.33
Step by Step Solution
- Step 1: Write the proportion equation
656,328.36 : 905,727.75 = 365,936.48 : x - Step 2: Convert to fraction form
656,328.36/905,727.75 = 365,936.48/x - Step 3: Cross multiply
656,328.36x = 905,727.75 × 365,936.48 - Step 4: Simplify right side
656,328.36x = 331,438,820,144.68 - Step 5: Solve for x
x = 331,438,820,144.68/656,328.36 - Step 6: Final answer
x = 504,989.33
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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.