Finding the Fourth Proportional to 858,795.16, 1,288,192.76 and 227,758.20
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Solution
The fourth proportional to 858,795.16, 1,288,192.76 and 227,758.20 is: 341,637.31
Step by Step Solution
- Step 1: Write the proportion equation
858,795.16 : 1,288,192.76 = 227,758.20 : x - Step 2: Convert to fraction form
858,795.16/1,288,192.76 = 227,758.20/x - Step 3: Cross multiply
858,795.16x = 1,288,192.76 × 227,758.20 - Step 4: Simplify right side
858,795.16x = 293,396,464,270.63 - Step 5: Solve for x
x = 293,396,464,270.63/858,795.16 - Step 6: Final answer
x = 341,637.31
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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.