Finding the Fourth Proportional to 453,896.95, 680,845.43 and 121,472.95
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Solution
The fourth proportional to 453,896.95, 680,845.43 and 121,472.95 is: 182,209.43
Step by Step Solution
- Step 1: Write the proportion equation
453,896.95 : 680,845.43 = 121,472.95 : x - Step 2: Convert to fraction form
453,896.95/680,845.43 = 121,472.95/x - Step 3: Cross multiply
453,896.95x = 680,845.43 × 121,472.95 - Step 4: Simplify right side
453,896.95x = 82,704,302,268.75 - Step 5: Solve for x
x = 82,704,302,268.75/453,896.95 - Step 6: Final answer
x = 182,209.43
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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.