Finding the Fourth Proportional to 658, 987 and 562.96
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Solution
The fourth proportional to 658, 987 and 562.96 is: 844.44
Step by Step Solution
- Step 1: Write the proportion equation
658 : 987 = 562.96 : x - Step 2: Convert to fraction form
658/987 = 562.96/x - Step 3: Cross multiply
658x = 987 × 562.96 - Step 4: Simplify right side
658x = 555,641.52 - Step 5: Solve for x
x = 555,641.52/658 - Step 6: Final answer
x = 844.44
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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.