Finding the Fourth Proportional to 464.52, 696.84 and 432.12
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Solution
The fourth proportional to 464.52, 696.84 and 432.12 is: 648.24
Step by Step Solution
- Step 1: Write the proportion equation
464.52 : 696.84 = 432.12 : x - Step 2: Convert to fraction form
464.52/696.84 = 432.12/x - Step 3: Cross multiply
464.52x = 696.84 × 432.12 - Step 4: Simplify right side
464.52x = 301,118.50 - Step 5: Solve for x
x = 301,118.50/464.52 - Step 6: Final answer
x = 648.24
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.