Finding the Fourth Proportional to 316,958.46, 475,452.36 and 117,241.62
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Solution
The fourth proportional to 316,958.46, 475,452.36 and 117,241.62 is: 175,867.86
Step by Step Solution
- Step 1: Write the proportion equation
316,958.46 : 475,452.36 = 117,241.62 : x - Step 2: Convert to fraction form
316,958.46/475,452.36 = 117,241.62/x - Step 3: Cross multiply
316,958.46x = 475,452.36 × 117,241.62 - Step 4: Simplify right side
316,958.46x = 55,742,804,919.22 - Step 5: Solve for x
x = 55,742,804,919.22/316,958.46 - Step 6: Final answer
x = 175,867.86
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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.