Finding the Fourth Proportional to 545,799.24, 818,846.48 and 309,307.99
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Solution
The fourth proportional to 545,799.24, 818,846.48 and 309,307.99 is: 464,045.64
Step by Step Solution
- Step 1: Write the proportion equation
545,799.24 : 818,846.48 = 309,307.99 : x - Step 2: Convert to fraction form
545,799.24/818,846.48 = 309,307.99/x - Step 3: Cross multiply
545,799.24x = 818,846.48 × 309,307.99 - Step 4: Simplify right side
545,799.24x = 253,275,758,847.38 - Step 5: Solve for x
x = 253,275,758,847.38/545,799.24 - Step 6: Final answer
x = 464,045.64
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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.