Finding the Fourth Proportional to 362,567.20, 543,194.70 and 310,079.20
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Solution
The fourth proportional to 362,567.20, 543,194.70 and 310,079.20 is: 464,557.68
Step by Step Solution
- Step 1: Write the proportion equation
362,567.20 : 543,194.70 = 310,079.20 : x - Step 2: Convert to fraction form
362,567.20/543,194.70 = 310,079.20/x - Step 3: Cross multiply
362,567.20x = 543,194.70 × 310,079.20 - Step 4: Simplify right side
362,567.20x = 168,433,378,020.24 - Step 5: Solve for x
x = 168,433,378,020.24/362,567.20 - Step 6: Final answer
x = 464,557.68
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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.