Finding the Fourth Proportional to 467,334.23, 644,921.55 and 252,474.21
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Solution
The fourth proportional to 467,334.23, 644,921.55 and 252,474.21 is: 348,414.58
Step by Step Solution
- Step 1: Write the proportion equation
467,334.23 : 644,921.55 = 252,474.21 : x - Step 2: Convert to fraction form
467,334.23/644,921.55 = 252,474.21/x - Step 3: Cross multiply
467,334.23x = 644,921.55 × 252,474.21 - Step 4: Simplify right side
467,334.23x = 162,826,058,848.23 - Step 5: Solve for x
x = 162,826,058,848.23/467,334.23 - Step 6: Final answer
x = 348,414.58
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1.5x scale
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.