Finding the Fourth Proportional to 577,742.48, 866,636.76 and 178,347.92
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Solution
The fourth proportional to 577,742.48, 866,636.76 and 178,347.92 is: 267,528.99
Step by Step Solution
- Step 1: Write the proportion equation
577,742.48 : 866,636.76 = 178,347.92 : x - Step 2: Convert to fraction form
577,742.48/866,636.76 = 178,347.92/x - Step 3: Cross multiply
577,742.48x = 866,636.76 × 178,347.92 - Step 4: Simplify right side
577,742.48x = 154,562,863,541.54 - Step 5: Solve for x
x = 154,562,863,541.54/577,742.48 - Step 6: Final answer
x = 267,528.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.