Finding the Fourth Proportional to 474,741.97, 655,143.87 and 259,882.18
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Solution
The fourth proportional to 474,741.97, 655,143.87 and 259,882.18 is: 358,637.38
Step by Step Solution
- Step 1: Write the proportion equation
474,741.97 : 655,143.87 = 259,882.18 : x - Step 2: Convert to fraction form
474,741.97/655,143.87 = 259,882.18/x - Step 3: Cross multiply
474,741.97x = 655,143.87 × 259,882.18 - Step 4: Simplify right side
474,741.97x = 170,260,217,149.24 - Step 5: Solve for x
x = 170,260,217,149.24/474,741.97 - Step 6: Final answer
x = 358,637.38
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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.