Finding the Fourth Proportional to 622,832.64, 859,508.97 and 336,352.68
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Solution
The fourth proportional to 622,832.64, 859,508.97 and 336,352.68 is: 464,166.66
Step by Step Solution
- Step 1: Write the proportion equation
622,832.64 : 859,508.97 = 336,352.68 : x - Step 2: Convert to fraction form
622,832.64/859,508.97 = 336,352.68/x - Step 3: Cross multiply
622,832.64x = 859,508.97 × 336,352.68 - Step 4: Simplify right side
622,832.64x = 289,098,145,543.54 - Step 5: Solve for x
x = 289,098,145,543.54/622,832.64 - Step 6: Final answer
x = 464,166.66
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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.