Finding the Fourth Proportional to 292,579.24, 438,744.24 and 114,961.65
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Solution
The fourth proportional to 292,579.24, 438,744.24 and 114,961.65 is: 172,393.51
Step by Step Solution
- Step 1: Write the proportion equation
292,579.24 : 438,744.24 = 114,961.65 : x - Step 2: Convert to fraction form
292,579.24/438,744.24 = 114,961.65/x - Step 3: Cross multiply
292,579.24x = 438,744.24 × 114,961.65 - Step 4: Simplify right side
292,579.24x = 50,438,761,183.59 - Step 5: Solve for x
x = 50,438,761,183.59/292,579.24 - Step 6: Final answer
x = 172,393.51
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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.