Finding the Fourth Proportional to 416,115.79, 574,237.37 and 225,125.08
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Solution
The fourth proportional to 416,115.79, 574,237.37 and 225,125.08 is: 310,671.30
Step by Step Solution
- Step 1: Write the proportion equation
416,115.79 : 574,237.37 = 225,125.08 : x - Step 2: Convert to fraction form
416,115.79/574,237.37 = 225,125.08/x - Step 3: Cross multiply
416,115.79x = 574,237.37 × 225,125.08 - Step 4: Simplify right side
416,115.79x = 129,275,233,860.24 - Step 5: Solve for x
x = 129,275,233,860.24/416,115.79 - Step 6: Final answer
x = 310,671.30
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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.