Finding the Fourth Proportional to 368,586.12, 508,805.75 and 247,797.44
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Solution
The fourth proportional to 368,586.12, 508,805.75 and 247,797.44 is: 342,065.94
Step by Step Solution
- Step 1: Write the proportion equation
368,586.12 : 508,805.75 = 247,797.44 : x - Step 2: Convert to fraction form
368,586.12/508,805.75 = 247,797.44/x - Step 3: Cross multiply
368,586.12x = 508,805.75 × 247,797.44 - Step 4: Simplify right side
368,586.12x = 126,080,758,524.26 - Step 5: Solve for x
x = 126,080,758,524.26/368,586.12 - Step 6: Final answer
x = 342,065.94
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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.