Finding the Fourth Proportional to 708.01, 1,061.17 and 297
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Solution
The fourth proportional to 708.01, 1,061.17 and 297 is: 445.15
Step by Step Solution
- Step 1: Write the proportion equation
708.01 : 1,061.17 = 297 : x - Step 2: Convert to fraction form
708.01/1,061.17 = 297/x - Step 3: Cross multiply
708.01x = 1,061.17 × 297 - Step 4: Simplify right side
708.01x = 315,166.75 - Step 5: Solve for x
x = 315,166.75/708.01 - Step 6: Final answer
x = 445.15
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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.