Finding the Fourth Proportional to 722,278.44, 996,476.58 and 467,769.96
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Solution
The fourth proportional to 722,278.44, 996,476.58 and 467,769.96 is: 645,349.20
Step by Step Solution
- Step 1: Write the proportion equation
722,278.44 : 996,476.58 = 467,769.96 : x - Step 2: Convert to fraction form
722,278.44/996,476.58 = 467,769.96/x - Step 3: Cross multiply
722,278.44x = 996,476.58 × 467,769.96 - Step 4: Simplify right side
722,278.44x = 466,121,809,967.54 - Step 5: Solve for x
x = 466,121,809,967.54/722,278.44 - Step 6: Final answer
x = 645,349.20
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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.