Finding the Fourth Proportional to 426,577.20, 588,673.08 and 235,603.68
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Solution
The fourth proportional to 426,577.20, 588,673.08 and 235,603.68 is: 325,131.17
Step by Step Solution
- Step 1: Write the proportion equation
426,577.20 : 588,673.08 = 235,603.68 : x - Step 2: Convert to fraction form
426,577.20/588,673.08 = 235,603.68/x - Step 3: Cross multiply
426,577.20x = 588,673.08 × 235,603.68 - Step 4: Simplify right side
426,577.20x = 138,693,543,964.93 - Step 5: Solve for x
x = 138,693,543,964.93/426,577.20 - Step 6: Final answer
x = 325,131.17
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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.