Finding the Fourth Proportional to 395,628.24, 590,564.46 and 366,390.48
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Solution
The fourth proportional to 395,628.24, 590,564.46 and 366,390.48 is: 546,920.50
Step by Step Solution
- Step 1: Write the proportion equation
395,628.24 : 590,564.46 = 366,390.48 : x - Step 2: Convert to fraction form
395,628.24/590,564.46 = 366,390.48/x - Step 3: Cross multiply
395,628.24x = 590,564.46 × 366,390.48 - Step 4: Simplify right side
395,628.24x = 216,377,195,970.34 - Step 5: Solve for x
x = 216,377,195,970.34/395,628.24 - Step 6: Final answer
x = 546,920.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.