Finding the Fourth Proportional to 392,064.91, 588,173.91 and 125,804.95
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Solution
The fourth proportional to 392,064.91, 588,173.91 and 125,804.95 is: 188,731.98
Step by Step Solution
- Step 1: Write the proportion equation
392,064.91 : 588,173.91 = 125,804.95 : x - Step 2: Convert to fraction form
392,064.91/588,173.91 = 125,804.95/x - Step 3: Cross multiply
392,064.91x = 588,173.91 × 125,804.95 - Step 4: Simplify right side
392,064.91x = 73,995,187,396.65 - Step 5: Solve for x
x = 73,995,187,396.65/392,064.91 - Step 6: Final answer
x = 188,731.98
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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.