Finding the Fourth Proportional to 504,014.40, 695,577.60 and 277,660.80
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Solution
The fourth proportional to 504,014.40, 695,577.60 and 277,660.80 is: 383,192.69
Step by Step Solution
- Step 1: Write the proportion equation
504,014.40 : 695,577.60 = 277,660.80 : x - Step 2: Convert to fraction form
504,014.40/695,577.60 = 277,660.80/x - Step 3: Cross multiply
504,014.40x = 695,577.60 × 277,660.80 - Step 4: Simplify right side
504,014.40x = 193,134,632,878.08 - Step 5: Solve for x
x = 193,134,632,878.08/504,014.40 - Step 6: Final answer
x = 383,192.69
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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.