Finding the Fourth Proportional to 468,461.44, 646,471.42 and 253,596.79
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Solution
The fourth proportional to 468,461.44, 646,471.42 and 253,596.79 is: 349,960.66
Step by Step Solution
- Step 1: Write the proportion equation
468,461.44 : 646,471.42 = 253,596.79 : x - Step 2: Convert to fraction form
468,461.44/646,471.42 = 253,596.79/x - Step 3: Cross multiply
468,461.44x = 646,471.42 × 253,596.79 - Step 4: Simplify right side
468,461.44x = 163,943,076,938.74 - Step 5: Solve for x
x = 163,943,076,938.74/468,461.44 - Step 6: Final answer
x = 349,960.66
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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.