Finding the Fourth Proportional to 472,662, 708,993 and 140,238
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Solution
The fourth proportional to 472,662, 708,993 and 140,238 is: 210,357
Step by Step Solution
- Step 1: Write the proportion equation
472,662 : 708,993 = 140,238 : x - Step 2: Convert to fraction form
472,662/708,993 = 140,238/x - Step 3: Cross multiply
472,662x = 708,993 × 140,238 - Step 4: Simplify right side
472,662x = 99,427,760,334 - Step 5: Solve for x
x = 99,427,760,334/472,662 - Step 6: Final answer
x = 210,357
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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.