Finding the Fourth Proportional to 535,663.05, 739,178.85 and 293,961.12
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Solution
The fourth proportional to 535,663.05, 739,178.85 and 293,961.12 is: 405,646.50
Step by Step Solution
- Step 1: Write the proportion equation
535,663.05 : 739,178.85 = 293,961.12 : x - Step 2: Convert to fraction form
535,663.05/739,178.85 = 293,961.12/x - Step 3: Cross multiply
535,663.05x = 739,178.85 × 293,961.12 - Step 4: Simplify right side
535,663.05x = 217,289,842,626.31 - Step 5: Solve for x
x = 217,289,842,626.31/535,663.05 - Step 6: Final answer
x = 405,646.50
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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.