Finding the Fourth Proportional to 370,858.68, 511,782.84 and 201,089.16
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Solution
The fourth proportional to 370,858.68, 511,782.84 and 201,089.16 is: 277,501.88
Step by Step Solution
- Step 1: Write the proportion equation
370,858.68 : 511,782.84 = 201,089.16 : x - Step 2: Convert to fraction form
370,858.68/511,782.84 = 201,089.16/x - Step 3: Cross multiply
370,858.68x = 511,782.84 × 201,089.16 - Step 4: Simplify right side
370,858.68x = 102,913,981,398.01 - Step 5: Solve for x
x = 102,913,981,398.01/370,858.68 - Step 6: Final answer
x = 277,501.88
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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.