Finding the Fourth Proportional to 372,232.16, 513,858.84 and 229,114.88
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Solution
The fourth proportional to 372,232.16, 513,858.84 and 229,114.88 is: 316,288.38
Step by Step Solution
- Step 1: Write the proportion equation
372,232.16 : 513,858.84 = 229,114.88 : x - Step 2: Convert to fraction form
372,232.16/513,858.84 = 229,114.88/x - Step 3: Cross multiply
372,232.16x = 513,858.84 × 229,114.88 - Step 4: Simplify right side
372,232.16x = 117,732,706,463.54 - Step 5: Solve for x
x = 117,732,706,463.54/372,232.16 - Step 6: Final answer
x = 316,288.38
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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.