Finding the Fourth Proportional to 372,542.84, 514,120.12 and 263,841.65
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Solution
The fourth proportional to 372,542.84, 514,120.12 and 263,841.65 is: 364,109.27
Step by Step Solution
- Step 1: Write the proportion equation
372,542.84 : 514,120.12 = 263,841.65 : x - Step 2: Convert to fraction form
372,542.84/514,120.12 = 263,841.65/x - Step 3: Cross multiply
372,542.84x = 514,120.12 × 263,841.65 - Step 4: Simplify right side
372,542.84x = 135,646,300,759.00 - Step 5: Solve for x
x = 135,646,300,759.00/372,542.84 - Step 6: Final answer
x = 364,109.27
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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.