Finding the Fourth Proportional to 328,536.40, 453,380.12 and 185,296.12
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Solution
The fourth proportional to 328,536.40, 453,380.12 and 185,296.12 is: 255,708.58
Step by Step Solution
- Step 1: Write the proportion equation
328,536.40 : 453,380.12 = 185,296.12 : x - Step 2: Convert to fraction form
328,536.40/453,380.12 = 185,296.12/x - Step 3: Cross multiply
328,536.40x = 453,380.12 × 185,296.12 - Step 4: Simplify right side
328,536.40x = 84,009,577,121.13 - Step 5: Solve for x
x = 84,009,577,121.13/328,536.40 - Step 6: Final answer
x = 255,708.58
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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.