Finding the Fourth Proportional to 534,317.99, 737,353.58 and 289,301.56
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Solution
The fourth proportional to 534,317.99, 737,353.58 and 289,301.56 is: 399,233.30
Step by Step Solution
- Step 1: Write the proportion equation
534,317.99 : 737,353.58 = 289,301.56 : x - Step 2: Convert to fraction form
534,317.99/737,353.58 = 289,301.56/x - Step 3: Cross multiply
534,317.99x = 737,353.58 × 289,301.56 - Step 4: Simplify right side
534,317.99x = 213,317,535,832.31 - Step 5: Solve for x
x = 213,317,535,832.31/534,317.99 - Step 6: Final answer
x = 399,233.30
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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.