Finding the Fourth Proportional to 577.69, 796.84 and 472.93
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Solution
The fourth proportional to 577.69, 796.84 and 472.93 is: 652.34
Step by Step Solution
- Step 1: Write the proportion equation
577.69 : 796.84 = 472.93 : x - Step 2: Convert to fraction form
577.69/796.84 = 472.93/x - Step 3: Cross multiply
577.69x = 796.84 × 472.93 - Step 4: Simplify right side
577.69x = 376,849.54 - Step 5: Solve for x
x = 376,849.54/577.69 - Step 6: Final answer
x = 652.34
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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.