Finding the Fourth Proportional to 415,769.41, 573,761.64 and 224,782.75
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Solution
The fourth proportional to 415,769.41, 573,761.64 and 224,782.75 is: 310,200.12
Step by Step Solution
- Step 1: Write the proportion equation
415,769.41 : 573,761.64 = 224,782.75 : x - Step 2: Convert to fraction form
415,769.41/573,761.64 = 224,782.75/x - Step 3: Cross multiply
415,769.41x = 573,761.64 × 224,782.75 - Step 4: Simplify right side
415,769.41x = 128,971,719,283.71 - Step 5: Solve for x
x = 128,971,719,283.71/415,769.41 - Step 6: Final answer
x = 310,200.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.