Finding the Fourth Proportional to 414,393.06, 571,857.22 and 233,106.26
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Solution
The fourth proportional to 414,393.06, 571,857.22 and 233,106.26 is: 321,683.70
Step by Step Solution
- Step 1: Write the proportion equation
414,393.06 : 571,857.22 = 233,106.26 : x - Step 2: Convert to fraction form
414,393.06/571,857.22 = 233,106.26/x - Step 3: Cross multiply
414,393.06x = 571,857.22 × 233,106.26 - Step 4: Simplify right side
414,393.06x = 133,303,493,929.07 - Step 5: Solve for x
x = 133,303,493,929.07/414,393.06 - Step 6: Final answer
x = 321,683.70
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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.