Finding the Fourth Proportional to 432,852.29, 649,349.51 and 133,326.26
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Solution
The fourth proportional to 432,852.29, 649,349.51 and 133,326.26 is: 200,011.28
Step by Step Solution
- Step 1: Write the proportion equation
432,852.29 : 649,349.51 = 133,326.26 : x - Step 2: Convert to fraction form
432,852.29/649,349.51 = 133,326.26/x - Step 3: Cross multiply
432,852.29x = 649,349.51 × 133,326.26 - Step 4: Simplify right side
432,852.29x = 86,575,337,687.75 - Step 5: Solve for x
x = 86,575,337,687.75/432,852.29 - Step 6: Final answer
x = 200,011.28
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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.