Finding the Fourth Proportional to 372,543.84, 514,121.50 and 263,842.65
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Solution
The fourth proportional to 372,543.84, 514,121.50 and 263,842.65 is: 364,110.65
Step by Step Solution
- Step 1: Write the proportion equation
372,543.84 : 514,121.50 = 263,842.65 : x - Step 2: Convert to fraction form
372,543.84/514,121.50 = 263,842.65/x - Step 3: Cross multiply
372,543.84x = 514,121.50 × 263,842.65 - Step 4: Simplify right side
372,543.84x = 135,647,178,981.98 - Step 5: Solve for x
x = 135,647,178,981.98/372,543.84 - Step 6: Final answer
x = 364,110.65
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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.