Finding the Fourth Proportional to 362,092.14, 543,129.98 and 213,276.44
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Solution
The fourth proportional to 362,092.14, 543,129.98 and 213,276.44 is: 319,909.81
Step by Step Solution
- Step 1: Write the proportion equation
362,092.14 : 543,129.98 = 213,276.44 : x - Step 2: Convert to fraction form
362,092.14/543,129.98 = 213,276.44/x - Step 3: Cross multiply
362,092.14x = 543,129.98 × 213,276.44 - Step 4: Simplify right side
362,092.14x = 115,836,828,883.11 - Step 5: Solve for x
x = 115,836,828,883.11/362,092.14 - Step 6: Final answer
x = 319,909.81
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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.