Finding the Fourth Proportional to 623.25, 933.66 and 576
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Solution
The fourth proportional to 623.25, 933.66 and 576 is: 862.88
Step by Step Solution
- Step 1: Write the proportion equation
623.25 : 933.66 = 576 : x - Step 2: Convert to fraction form
623.25/933.66 = 576/x - Step 3: Cross multiply
623.25x = 933.66 × 576 - Step 4: Simplify right side
623.25x = 537,788.16 - Step 5: Solve for x
x = 537,788.16/623.25 - Step 6: Final answer
x = 862.88
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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.