Finding the Fourth Proportional to 352,435.05, 486,358.73 and 191,288.69
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Solution
The fourth proportional to 352,435.05, 486,358.73 and 191,288.69 is: 263,977.50
Step by Step Solution
- Step 1: Write the proportion equation
352,435.05 : 486,358.73 = 191,288.69 : x - Step 2: Convert to fraction form
352,435.05/486,358.73 = 191,288.69/x - Step 3: Cross multiply
352,435.05x = 486,358.73 × 191,288.69 - Step 4: Simplify right side
352,435.05x = 93,034,923,484.70 - Step 5: Solve for x
x = 93,034,923,484.70/352,435.05 - Step 6: Final answer
x = 263,977.50
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1.5x scale
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.