Finding the Fourth Proportional to 511,192.20, 705,448.14 and 296,459.64
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Solution
The fourth proportional to 511,192.20, 705,448.14 and 296,459.64 is: 409,115.99
Step by Step Solution
- Step 1: Write the proportion equation
511,192.20 : 705,448.14 = 296,459.64 : x - Step 2: Convert to fraction form
511,192.20/705,448.14 = 296,459.64/x - Step 3: Cross multiply
511,192.20x = 705,448.14 × 296,459.64 - Step 4: Simplify right side
511,192.20x = 209,136,901,623.07 - Step 5: Solve for x
x = 209,136,901,623.07/511,192.20 - Step 6: Final answer
x = 409,115.99
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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.