Finding the Fourth Proportional to 664,086.01, 916,434.41 and 377,606.08
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Solution
The fourth proportional to 664,086.01, 916,434.41 and 377,606.08 is: 521,093.95
Step by Step Solution
- Step 1: Write the proportion equation
664,086.01 : 916,434.41 = 377,606.08 : x - Step 2: Convert to fraction form
664,086.01/916,434.41 = 377,606.08/x - Step 3: Cross multiply
664,086.01x = 916,434.41 × 377,606.08 - Step 4: Simplify right side
664,086.01x = 346,051,205,137.21 - Step 5: Solve for x
x = 346,051,205,137.21/664,086.01 - Step 6: Final answer
x = 521,093.95
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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.