Finding the Fourth Proportional to 415,224.14, 573,009.34 and 224,237.54
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Solution
The fourth proportional to 415,224.14, 573,009.34 and 224,237.54 is: 309,447.82
Step by Step Solution
- Step 1: Write the proportion equation
415,224.14 : 573,009.34 = 224,237.54 : x - Step 2: Convert to fraction form
415,224.14/573,009.34 = 224,237.54/x - Step 3: Cross multiply
415,224.14x = 573,009.34 × 224,237.54 - Step 4: Simplify right side
415,224.14x = 128,490,204,798.62 - Step 5: Solve for x
x = 128,490,204,798.62/415,224.14 - Step 6: Final answer
x = 309,447.82
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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.