Finding the Fourth Proportional to 558,692.48, 771,158.08 and 365,129.31
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Solution
The fourth proportional to 558,692.48, 771,158.08 and 365,129.31 is: 503,984.62
Step by Step Solution
- Step 1: Write the proportion equation
558,692.48 : 771,158.08 = 365,129.31 : x - Step 2: Convert to fraction form
558,692.48/771,158.08 = 365,129.31/x - Step 3: Cross multiply
558,692.48x = 771,158.08 × 365,129.31 - Step 4: Simplify right side
558,692.48x = 281,572,417,651.33 - Step 5: Solve for x
x = 281,572,417,651.33/558,692.48 - Step 6: Final answer
x = 503,984.62
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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.