Finding the Fourth Proportional to 373,265.70, 559,898.55 and 279,953.70
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Solution
The fourth proportional to 373,265.70, 559,898.55 and 279,953.70 is: 419,930.55
Step by Step Solution
- Step 1: Write the proportion equation
373,265.70 : 559,898.55 = 279,953.70 : x - Step 2: Convert to fraction form
373,265.70/559,898.55 = 279,953.70/x - Step 3: Cross multiply
373,265.70x = 559,898.55 × 279,953.70 - Step 4: Simplify right side
373,265.70x = 156,745,670,697.14 - Step 5: Solve for x
x = 156,745,670,697.14/373,265.70 - Step 6: Final answer
x = 419,930.55
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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.