Finding the Fourth Proportional to 597.64, 824.04 and 486.88
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Solution
The fourth proportional to 597.64, 824.04 and 486.88 is: 671.32
Step by Step Solution
- Step 1: Write the proportion equation
597.64 : 824.04 = 486.88 : x - Step 2: Convert to fraction form
597.64/824.04 = 486.88/x - Step 3: Cross multiply
597.64x = 824.04 × 486.88 - Step 4: Simplify right side
597.64x = 401,208.60 - Step 5: Solve for x
x = 401,208.60/597.64 - Step 6: Final answer
x = 671.32
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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.