Finding the Fourth Proportional to 448,164.08, 618,437.32 and 246,960.08
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Solution
The fourth proportional to 448,164.08, 618,437.32 and 246,960.08 is: 340,788.87
Step by Step Solution
- Step 1: Write the proportion equation
448,164.08 : 618,437.32 = 246,960.08 : x - Step 2: Convert to fraction form
448,164.08/618,437.32 = 246,960.08/x - Step 3: Cross multiply
448,164.08x = 618,437.32 × 246,960.08 - Step 4: Simplify right side
448,164.08x = 152,729,330,022.19 - Step 5: Solve for x
x = 152,729,330,022.19/448,164.08 - Step 6: Final answer
x = 340,788.87
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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.