Finding the Fourth Proportional to 403,536.10, 556,905.00 and 222,247.98
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Solution
The fourth proportional to 403,536.10, 556,905.00 and 222,247.98 is: 306,716.09
Step by Step Solution
- Step 1: Write the proportion equation
403,536.10 : 556,905.00 = 222,247.98 : x - Step 2: Convert to fraction form
403,536.10/556,905.00 = 222,247.98/x - Step 3: Cross multiply
403,536.10x = 556,905.00 × 222,247.98 - Step 4: Simplify right side
403,536.10x = 123,771,013,493.27 - Step 5: Solve for x
x = 123,771,013,493.27/403,536.10 - Step 6: Final answer
x = 306,716.09
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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.