Finding the Fourth Proportional to 471,709.92, 707,658.26 and 134,753.48
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Solution
The fourth proportional to 471,709.92, 707,658.26 and 134,753.48 is: 202,156.90
Step by Step Solution
- Step 1: Write the proportion equation
471,709.92 : 707,658.26 = 134,753.48 : x - Step 2: Convert to fraction form
471,709.92/707,658.26 = 134,753.48/x - Step 3: Cross multiply
471,709.92x = 707,658.26 × 134,753.48 - Step 4: Simplify right side
471,709.92x = 95,359,413,185.74 - Step 5: Solve for x
x = 95,359,413,185.74/471,709.92 - Step 6: Final answer
x = 202,156.90
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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.