Finding the Fourth Proportional to 319,277.99, 440,622.24 and 183,312.20
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Solution
The fourth proportional to 319,277.99, 440,622.24 and 183,312.20 is: 252,981.52
Step by Step Solution
- Step 1: Write the proportion equation
319,277.99 : 440,622.24 = 183,312.20 : x - Step 2: Convert to fraction form
319,277.99/440,622.24 = 183,312.20/x - Step 3: Cross multiply
319,277.99x = 440,622.24 × 183,312.20 - Step 4: Simplify right side
319,277.99x = 80,771,432,183.33 - Step 5: Solve for x
x = 80,771,432,183.33/319,277.99 - Step 6: Final answer
x = 252,981.52
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1.5x scale
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.