Finding the Fourth Proportional to 293,449.40, 440,174.10 and 175,059.80
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Solution
The fourth proportional to 293,449.40, 440,174.10 and 175,059.80 is: 262,589.70
Step by Step Solution
- Step 1: Write the proportion equation
293,449.40 : 440,174.10 = 175,059.80 : x - Step 2: Convert to fraction form
293,449.40/440,174.10 = 175,059.80/x - Step 3: Cross multiply
293,449.40x = 440,174.10 × 175,059.80 - Step 4: Simplify right side
293,449.40x = 77,056,789,911.18 - Step 5: Solve for x
x = 77,056,789,911.18/293,449.40 - Step 6: Final answer
x = 262,589.70
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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.