Finding the Fourth Proportional to 471.41, 707.12 and 410.59
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Solution
The fourth proportional to 471.41, 707.12 and 410.59 is: 615.88
Step by Step Solution
- Step 1: Write the proportion equation
471.41 : 707.12 = 410.59 : x - Step 2: Convert to fraction form
471.41/707.12 = 410.59/x - Step 3: Cross multiply
471.41x = 707.12 × 410.59 - Step 4: Simplify right side
471.41x = 290,330.81 - Step 5: Solve for x
x = 290,330.81/471.41 - Step 6: Final answer
x = 615.88
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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.