Finding the Fourth Proportional to 372,936.08, 514,633.88 and 211,769.84
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Solution
The fourth proportional to 372,936.08, 514,633.88 and 211,769.84 is: 292,232.20
Step by Step Solution
- Step 1: Write the proportion equation
372,936.08 : 514,633.88 = 211,769.84 : x - Step 2: Convert to fraction form
372,936.08/514,633.88 = 211,769.84/x - Step 3: Cross multiply
372,936.08x = 514,633.88 × 211,769.84 - Step 4: Simplify right side
372,936.08x = 108,983,930,794.16 - Step 5: Solve for x
x = 108,983,930,794.16/372,936.08 - Step 6: Final answer
x = 292,232.20
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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.