Finding the Fourth Proportional to 613,321.41, 846,393.12 and 341,392.26
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Solution
The fourth proportional to 613,321.41, 846,393.12 and 341,392.26 is: 471,126.65
Step by Step Solution
- Step 1: Write the proportion equation
613,321.41 : 846,393.12 = 341,392.26 : x - Step 2: Convert to fraction form
613,321.41/846,393.12 = 341,392.26/x - Step 3: Cross multiply
613,321.41x = 846,393.12 × 341,392.26 - Step 4: Simplify right side
613,321.41x = 288,952,060,085.25 - Step 5: Solve for x
x = 288,952,060,085.25/613,321.41 - Step 6: Final answer
x = 471,126.65
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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.