Finding the Fourth Proportional to 423,757.10, 584,789.07 and 230,166.68
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Solution
The fourth proportional to 423,757.10, 584,789.07 and 230,166.68 is: 317,632.34
Step by Step Solution
- Step 1: Write the proportion equation
423,757.10 : 584,789.07 = 230,166.68 : x - Step 2: Convert to fraction form
423,757.10/584,789.07 = 230,166.68/x - Step 3: Cross multiply
423,757.10x = 584,789.07 × 230,166.68 - Step 4: Simplify right side
423,757.10x = 134,598,955,818.24 - Step 5: Solve for x
x = 134,598,955,818.24/423,757.10 - Step 6: Final answer
x = 317,632.34
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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.