Finding the Fourth Proportional to 328,232.43, 492,431.64 and 91,575
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Solution
The fourth proportional to 328,232.43, 492,431.64 and 91,575 is: 137,385.66
Step by Step Solution
- Step 1: Write the proportion equation
328,232.43 : 492,431.64 = 91,575 : x - Step 2: Convert to fraction form
328,232.43/492,431.64 = 91,575/x - Step 3: Cross multiply
328,232.43x = 492,431.64 × 91,575 - Step 4: Simplify right side
328,232.43x = 45,094,427,433 - Step 5: Solve for x
x = 45,094,427,433/328,232.43 - Step 6: Final answer
x = 137,385.66
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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.