Finding the Fourth Proportional to 590,121.99, 883,688.20 and 365,920.31
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Solution
The fourth proportional to 590,121.99, 883,688.20 and 365,920.31 is: 547,953.59
Step by Step Solution
- Step 1: Write the proportion equation
590,121.99 : 883,688.20 = 365,920.31 : x - Step 2: Convert to fraction form
590,121.99/883,688.20 = 365,920.31/x - Step 3: Cross multiply
590,121.99x = 883,688.20 × 365,920.31 - Step 4: Simplify right side
590,121.99x = 323,359,461,381.76 - Step 5: Solve for x
x = 323,359,461,381.76/590,121.99 - Step 6: Final answer
x = 547,953.59
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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.