Finding the Fourth Proportional to 547,816.73, 756,471.84 and 341,437.34
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Solution
The fourth proportional to 547,816.73, 756,471.84 and 341,437.34 is: 471,485.65
Step by Step Solution
- Step 1: Write the proportion equation
547,816.73 : 756,471.84 = 341,437.34 : x - Step 2: Convert to fraction form
547,816.73/756,471.84 = 341,437.34/x - Step 3: Cross multiply
547,816.73x = 756,471.84 × 341,437.34 - Step 4: Simplify right side
547,816.73x = 258,287,727,344.96 - Step 5: Solve for x
x = 258,287,727,344.96/547,816.73 - Step 6: Final answer
x = 471,485.65
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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.