Finding the Fourth Proportional to 416,778.56, 625,167.85 and 117,258.99
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Solution
The fourth proportional to 416,778.56, 625,167.85 and 117,258.99 is: 175,888.49
Step by Step Solution
- Step 1: Write the proportion equation
416,778.56 : 625,167.85 = 117,258.99 : x - Step 2: Convert to fraction form
416,778.56/625,167.85 = 117,258.99/x - Step 3: Cross multiply
416,778.56x = 625,167.85 × 117,258.99 - Step 4: Simplify right side
416,778.56x = 73,306,551,440.58 - Step 5: Solve for x
x = 73,306,551,440.58/416,778.56 - Step 6: Final answer
x = 175,888.49
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1.5x scale
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.