Finding the Fourth Proportional to 468,078.99, 702,147.66 and 187,559.79
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Solution
The fourth proportional to 468,078.99, 702,147.66 and 187,559.79 is: 281,351.38
Step by Step Solution
- Step 1: Write the proportion equation
468,078.99 : 702,147.66 = 187,559.79 : x - Step 2: Convert to fraction form
468,078.99/702,147.66 = 187,559.79/x - Step 3: Cross multiply
468,078.99x = 702,147.66 × 187,559.79 - Step 4: Simplify right side
468,078.99x = 131,694,667,658.59 - Step 5: Solve for x
x = 131,694,667,658.59/468,078.99 - Step 6: Final answer
x = 281,351.38
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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.