Finding the Fourth Proportional to 464,216.18, 696,361.38 and 197,979.08
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Solution
The fourth proportional to 464,216.18, 696,361.38 and 197,979.08 is: 296,984.45
Step by Step Solution
- Step 1: Write the proportion equation
464,216.18 : 696,361.38 = 197,979.08 : x - Step 2: Convert to fraction form
464,216.18/696,361.38 = 197,979.08/x - Step 3: Cross multiply
464,216.18x = 696,361.38 × 197,979.08 - Step 4: Simplify right side
464,216.18x = 137,864,985,359.93 - Step 5: Solve for x
x = 137,864,985,359.93/464,216.18 - Step 6: Final answer
x = 296,984.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.