Finding the Fourth Proportional to 313,282.05, 432,293.28 and 175,441.75
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Solution
The fourth proportional to 313,282.05, 432,293.28 and 175,441.75 is: 242,089.48
Step by Step Solution
- Step 1: Write the proportion equation
313,282.05 : 432,293.28 = 175,441.75 : x - Step 2: Convert to fraction form
313,282.05/432,293.28 = 175,441.75/x - Step 3: Cross multiply
313,282.05x = 432,293.28 × 175,441.75 - Step 4: Simplify right side
313,282.05x = 75,842,288,311.23 - Step 5: Solve for x
x = 75,842,288,311.23/313,282.05 - Step 6: Final answer
x = 242,089.48
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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.