Finding the Fourth Proportional to 762,212.60, 1,143,318.96 and 201,251.96
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Solution
The fourth proportional to 762,212.60, 1,143,318.96 and 201,251.96 is: 301,877.96
Step by Step Solution
- Step 1: Write the proportion equation
762,212.60 : 1,143,318.96 = 201,251.96 : x - Step 2: Convert to fraction form
762,212.60/1,143,318.96 = 201,251.96/x - Step 3: Cross multiply
762,212.60x = 1,143,318.96 × 201,251.96 - Step 4: Simplify right side
762,212.60x = 230,095,181,605.16 - Step 5: Solve for x
x = 230,095,181,605.16/762,212.60 - Step 6: Final answer
x = 301,877.96
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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.