Finding the Fourth Proportional to 426,331.23, 588,337.20 and 235,344.75
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Solution
The fourth proportional to 426,331.23, 588,337.20 and 235,344.75 is: 324,775.81
Step by Step Solution
- Step 1: Write the proportion equation
426,331.23 : 588,337.20 = 235,344.75 : x - Step 2: Convert to fraction form
426,331.23/588,337.20 = 235,344.75/x - Step 3: Cross multiply
426,331.23x = 588,337.20 × 235,344.75 - Step 4: Simplify right side
426,331.23x = 138,462,071,249.70 - Step 5: Solve for x
x = 138,462,071,249.70/426,331.23 - Step 6: Final answer
x = 324,775.81
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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.