Finding the Fourth Proportional to 423,935.76, 585,024.72 and 232,945.05
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Solution
The fourth proportional to 423,935.76, 585,024.72 and 232,945.05 is: 321,460.53
Step by Step Solution
- Step 1: Write the proportion equation
423,935.76 : 585,024.72 = 232,945.05 : x - Step 2: Convert to fraction form
423,935.76/585,024.72 = 232,945.05/x - Step 3: Cross multiply
423,935.76x = 585,024.72 × 232,945.05 - Step 4: Simplify right side
423,935.76x = 136,278,612,651.64 - Step 5: Solve for x
x = 136,278,612,651.64/423,935.76 - Step 6: Final answer
x = 321,460.53
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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.