Finding the Fourth Proportional to 448,197.99, 618,491.20 and 244,248.30
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Solution
The fourth proportional to 448,197.99, 618,491.20 and 244,248.30 is: 337,050.65
Step by Step Solution
- Step 1: Write the proportion equation
448,197.99 : 618,491.20 = 244,248.30 : x - Step 2: Convert to fraction form
448,197.99/618,491.20 = 244,248.30/x - Step 3: Cross multiply
448,197.99x = 618,491.20 × 244,248.30 - Step 4: Simplify right side
448,197.99x = 151,065,424,164.96 - Step 5: Solve for x
x = 151,065,424,164.96/448,197.99 - Step 6: Final answer
x = 337,050.65
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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.