Finding the Fourth Proportional to 395,882.94, 546,316.47 and 214,594.14
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Solution
The fourth proportional to 395,882.94, 546,316.47 and 214,594.14 is: 296,138.84
Step by Step Solution
- Step 1: Write the proportion equation
395,882.94 : 546,316.47 = 214,594.14 : x - Step 2: Convert to fraction form
395,882.94/546,316.47 = 214,594.14/x - Step 3: Cross multiply
395,882.94x = 546,316.47 × 214,594.14 - Step 4: Simplify right side
395,882.94x = 117,236,313,047.49 - Step 5: Solve for x
x = 117,236,313,047.49/395,882.94 - Step 6: Final answer
x = 296,138.84
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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.