Finding the Fourth Proportional to 425,787.44, 587,581.97 and 232,194.53
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Solution
The fourth proportional to 425,787.44, 587,581.97 and 232,194.53 is: 320,425.89
Step by Step Solution
- Step 1: Write the proportion equation
425,787.44 : 587,581.97 = 232,194.53 : x - Step 2: Convert to fraction form
425,787.44/587,581.97 = 232,194.53/x - Step 3: Cross multiply
425,787.44x = 587,581.97 × 232,194.53 - Step 4: Simplify right side
425,787.44x = 136,433,319,668.61 - Step 5: Solve for x
x = 136,433,319,668.61/425,787.44 - Step 6: Final answer
x = 320,425.89
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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.