Finding the Fourth Proportional to 349,382.66, 482,165.21 and 196,468.99
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Solution
The fourth proportional to 349,382.66, 482,165.21 and 196,468.99 is: 271,136.84
Step by Step Solution
- Step 1: Write the proportion equation
349,382.66 : 482,165.21 = 196,468.99 : x - Step 2: Convert to fraction form
349,382.66/482,165.21 = 196,468.99/x - Step 3: Cross multiply
349,382.66x = 482,165.21 × 196,468.99 - Step 4: Simplify right side
349,382.66x = 94,730,509,634.08 - Step 5: Solve for x
x = 94,730,509,634.08/349,382.66 - Step 6: Final answer
x = 271,136.84
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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.