Finding the Fourth Proportional to 748, 1,032.33 and 437.50
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Solution
The fourth proportional to 748, 1,032.33 and 437.50 is: 603.80
Step by Step Solution
- Step 1: Write the proportion equation
748 : 1,032.33 = 437.50 : x - Step 2: Convert to fraction form
748/1,032.33 = 437.50/x - Step 3: Cross multiply
748x = 1,032.33 × 437.50 - Step 4: Simplify right side
748x = 451,644.38 - Step 5: Solve for x
x = 451,644.38/748 - Step 6: Final answer
x = 603.80
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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.