Finding the Fourth Proportional to 338,974.02, 467,782.84 and 186,014.74
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Solution
The fourth proportional to 338,974.02, 467,782.84 and 186,014.74 is: 256,699.62
Step by Step Solution
- Step 1: Write the proportion equation
338,974.02 : 467,782.84 = 186,014.74 : x - Step 2: Convert to fraction form
338,974.02/467,782.84 = 186,014.74/x - Step 3: Cross multiply
338,974.02x = 467,782.84 × 186,014.74 - Step 4: Simplify right side
338,974.02x = 87,014,503,359.06 - Step 5: Solve for x
x = 87,014,503,359.06/338,974.02 - Step 6: Final answer
x = 256,699.62
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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.