Finding the Fourth Proportional to 447,177.57, 670,750.41 and 127,330.99
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Solution
The fourth proportional to 447,177.57, 670,750.41 and 127,330.99 is: 190,991.94
Step by Step Solution
- Step 1: Write the proportion equation
447,177.57 : 670,750.41 = 127,330.99 : x - Step 2: Convert to fraction form
447,177.57/670,750.41 = 127,330.99/x - Step 3: Cross multiply
447,177.57x = 670,750.41 × 127,330.99 - Step 4: Simplify right side
447,177.57x = 85,407,313,748.21 - Step 5: Solve for x
x = 85,407,313,748.21/447,177.57 - Step 6: Final answer
x = 190,991.94
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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.