Finding the Fourth Proportional to 474,811.11, 655,247.61 and 293,518.53
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Solution
The fourth proportional to 474,811.11, 655,247.61 and 293,518.53 is: 405,060.69
Step by Step Solution
- Step 1: Write the proportion equation
474,811.11 : 655,247.61 = 293,518.53 : x - Step 2: Convert to fraction form
474,811.11/655,247.61 = 293,518.53/x - Step 3: Cross multiply
474,811.11x = 655,247.61 × 293,518.53 - Step 4: Simplify right side
474,811.11x = 192,327,315,273.21 - Step 5: Solve for x
x = 192,327,315,273.21/474,811.11 - Step 6: Final answer
x = 405,060.69
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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.