Finding the Fourth Proportional to 453,497.40, 680,246.10 and 173,023.80
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Solution
The fourth proportional to 453,497.40, 680,246.10 and 173,023.80 is: 259,535.70
Step by Step Solution
- Step 1: Write the proportion equation
453,497.40 : 680,246.10 = 173,023.80 : x - Step 2: Convert to fraction form
453,497.40/680,246.10 = 173,023.80/x - Step 3: Cross multiply
453,497.40x = 680,246.10 × 173,023.80 - Step 4: Simplify right side
453,497.40x = 117,698,765,157.18 - Step 5: Solve for x
x = 117,698,765,157.18/453,497.40 - Step 6: Final answer
x = 259,535.70
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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.