Finding the Fourth Proportional to 974.88, 1,463.04 and 542.88
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Solution
The fourth proportional to 974.88, 1,463.04 and 542.88 is: 814.72
Step by Step Solution
- Step 1: Write the proportion equation
974.88 : 1,463.04 = 542.88 : x - Step 2: Convert to fraction form
974.88/1,463.04 = 542.88/x - Step 3: Cross multiply
974.88x = 1,463.04 × 542.88 - Step 4: Simplify right side
974.88x = 794,255.16 - Step 5: Solve for x
x = 794,255.16/974.88 - Step 6: Final answer
x = 814.72
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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.