Finding the Fourth Proportional to 508,191.36, 762,397.12 and 153,175.68
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Solution
The fourth proportional to 508,191.36, 762,397.12 and 153,175.68 is: 229,796.70
Step by Step Solution
- Step 1: Write the proportion equation
508,191.36 : 762,397.12 = 153,175.68 : x - Step 2: Convert to fraction form
508,191.36/762,397.12 = 153,175.68/x - Step 3: Cross multiply
508,191.36x = 762,397.12 × 153,175.68 - Step 4: Simplify right side
508,191.36x = 116,780,697,286.04 - Step 5: Solve for x
x = 116,780,697,286.04/508,191.36 - Step 6: Final answer
x = 229,796.70
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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.