Finding the Fourth Proportional to 483.06, 725.31 and 474.42
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Solution
The fourth proportional to 483.06, 725.31 and 474.42 is: 712.34
Step by Step Solution
- Step 1: Write the proportion equation
483.06 : 725.31 = 474.42 : x - Step 2: Convert to fraction form
483.06/725.31 = 474.42/x - Step 3: Cross multiply
483.06x = 725.31 × 474.42 - Step 4: Simplify right side
483.06x = 344,101.57 - Step 5: Solve for x
x = 344,101.57/483.06 - Step 6: Final answer
x = 712.34
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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.