Finding the Fourth Proportional to 293,609.80, 440,414.70 and 175,511.80
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Solution
The fourth proportional to 293,609.80, 440,414.70 and 175,511.80 is: 263,267.70
Step by Step Solution
- Step 1: Write the proportion equation
293,609.80 : 440,414.70 = 175,511.80 : x - Step 2: Convert to fraction form
293,609.80/440,414.70 = 175,511.80/x - Step 3: Cross multiply
293,609.80x = 440,414.70 × 175,511.80 - Step 4: Simplify right side
293,609.80x = 77,297,976,743.46 - Step 5: Solve for x
x = 77,297,976,743.46/293,609.80 - Step 6: Final answer
x = 263,267.70
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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.