Finding the Fourth Proportional to 313,262.88, 432,302.99 and 170,022.93
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Solution
The fourth proportional to 313,262.88, 432,302.99 and 170,022.93 is: 234,631.75
Step by Step Solution
- Step 1: Write the proportion equation
313,262.88 : 432,302.99 = 170,022.93 : x - Step 2: Convert to fraction form
313,262.88/432,302.99 = 170,022.93/x - Step 3: Cross multiply
313,262.88x = 432,302.99 × 170,022.93 - Step 4: Simplify right side
313,262.88x = 73,501,417,995.93 - Step 5: Solve for x
x = 73,501,417,995.93/313,262.88 - Step 6: Final answer
x = 234,631.75
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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.