Finding the Fourth Proportional to 586,557.24, 809,446.14 and 318,285.24
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Solution
The fourth proportional to 586,557.24, 809,446.14 and 318,285.24 is: 439,232.08
Step by Step Solution
- Step 1: Write the proportion equation
586,557.24 : 809,446.14 = 318,285.24 : x - Step 2: Convert to fraction form
586,557.24/809,446.14 = 318,285.24/x - Step 3: Cross multiply
586,557.24x = 809,446.14 × 318,285.24 - Step 4: Simplify right side
586,557.24x = 257,634,758,936.97 - Step 5: Solve for x
x = 257,634,758,936.97/586,557.24 - Step 6: Final answer
x = 439,232.08
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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.