Finding the Fourth Proportional to 293,249.60, 439,831.20 and 82,908.80
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Solution
The fourth proportional to 293,249.60, 439,831.20 and 82,908.80 is: 124,350.99
Step by Step Solution
- Step 1: Write the proportion equation
293,249.60 : 439,831.20 = 82,908.80 : x - Step 2: Convert to fraction form
293,249.60/439,831.20 = 82,908.80/x - Step 3: Cross multiply
293,249.60x = 439,831.20 × 82,908.80 - Step 4: Simplify right side
293,249.60x = 36,465,876,994.56 - Step 5: Solve for x
x = 36,465,876,994.56/293,249.60 - Step 6: Final answer
x = 124,350.99
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1.5x scale
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.