Finding the Fourth Proportional to 415,778.41, 573,774.06 and 224,791.75
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Solution
The fourth proportional to 415,778.41, 573,774.06 and 224,791.75 is: 310,212.54
Step by Step Solution
- Step 1: Write the proportion equation
415,778.41 : 573,774.06 = 224,791.75 : x - Step 2: Convert to fraction form
415,778.41/573,774.06 = 224,791.75/x - Step 3: Cross multiply
415,778.41x = 573,774.06 × 224,791.75 - Step 4: Simplify right side
415,778.41x = 128,979,675,052.01 - Step 5: Solve for x
x = 128,979,675,052.01/415,778.41 - Step 6: Final answer
x = 310,212.54
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1.5x scale
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.