Finding the Fourth Proportional to 481,074.63, 721,036.07 and 224,562.09
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Solution
The fourth proportional to 481,074.63, 721,036.07 and 224,562.09 is: 336,574.32
Step by Step Solution
- Step 1: Write the proportion equation
481,074.63 : 721,036.07 = 224,562.09 : x - Step 2: Convert to fraction form
481,074.63/721,036.07 = 224,562.09/x - Step 3: Cross multiply
481,074.63x = 721,036.07 × 224,562.09 - Step 4: Simplify right side
481,074.63x = 161,917,365,843.52 - Step 5: Solve for x
x = 161,917,365,843.52/481,074.63 - Step 6: Final answer
x = 336,574.32
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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.