Finding the Fourth Proportional to 657,942.72, 986,766.46 and 302,615.36
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Solution
The fourth proportional to 657,942.72, 986,766.46 and 302,615.36 is: 453,855.14
Step by Step Solution
- Step 1: Write the proportion equation
657,942.72 : 986,766.46 = 302,615.36 : x - Step 2: Convert to fraction form
657,942.72/986,766.46 = 302,615.36/x - Step 3: Cross multiply
657,942.72x = 986,766.46 × 302,615.36 - Step 4: Simplify right side
657,942.72x = 298,610,687,528.83 - Step 5: Solve for x
x = 298,610,687,528.83/657,942.72 - Step 6: Final answer
x = 453,855.14
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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.