Finding the Fourth Proportional to 603,819.99, 833,280.14 and 331,913.03
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Solution
The fourth proportional to 603,819.99, 833,280.14 and 331,913.03 is: 458,044.68
Step by Step Solution
- Step 1: Write the proportion equation
603,819.99 : 833,280.14 = 331,913.03 : x - Step 2: Convert to fraction form
603,819.99/833,280.14 = 331,913.03/x - Step 3: Cross multiply
603,819.99x = 833,280.14 × 331,913.03 - Step 4: Simplify right side
603,819.99x = 276,576,536,106.22 - Step 5: Solve for x
x = 276,576,536,106.22/603,819.99 - Step 6: Final answer
x = 458,044.68
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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.