Finding the Fourth Proportional to 332,174.12, 458,474.99 and 217,386.18
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Solution
The fourth proportional to 332,174.12, 458,474.99 and 217,386.18 is: 300,041.82
Step by Step Solution
- Step 1: Write the proportion equation
332,174.12 : 458,474.99 = 217,386.18 : x - Step 2: Convert to fraction form
332,174.12/458,474.99 = 217,386.18/x - Step 3: Cross multiply
332,174.12x = 458,474.99 × 217,386.18 - Step 4: Simplify right side
332,174.12x = 99,666,125,614.71 - Step 5: Solve for x
x = 99,666,125,614.71/332,174.12 - Step 6: Final answer
x = 300,041.82
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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.