Finding the Fourth Proportional to 313,246.27, 432,279.67 and 177,277.75
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Solution
The fourth proportional to 313,246.27, 432,279.67 and 177,277.75 is: 244,643.19
Step by Step Solution
- Step 1: Write the proportion equation
313,246.27 : 432,279.67 = 177,277.75 : x - Step 2: Convert to fraction form
313,246.27/432,279.67 = 177,277.75/x - Step 3: Cross multiply
313,246.27x = 432,279.67 × 177,277.75 - Step 4: Simplify right side
313,246.27x = 76,633,567,268.34 - Step 5: Solve for x
x = 76,633,567,268.34/313,246.27 - Step 6: Final answer
x = 244,643.19
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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.