Finding the Fourth Proportional to 274,203.40, 411,434.70 and 116,566.60
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Solution
The fourth proportional to 274,203.40, 411,434.70 and 116,566.60 is: 174,904.99
Step by Step Solution
- Step 1: Write the proportion equation
274,203.40 : 411,434.70 = 116,566.60 : x - Step 2: Convert to fraction form
274,203.40/411,434.70 = 116,566.60/x - Step 3: Cross multiply
274,203.40x = 411,434.70 × 116,566.60 - Step 4: Simplify right side
274,203.40x = 47,959,544,101.02 - Step 5: Solve for x
x = 47,959,544,101.02/274,203.40 - Step 6: Final answer
x = 174,904.99
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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.