Finding the Fourth Proportional to 397,591.44, 596,474.64 and 172,987.08
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Solution
The fourth proportional to 397,591.44, 596,474.64 and 172,987.08 is: 259,518.68
Step by Step Solution
- Step 1: Write the proportion equation
397,591.44 : 596,474.64 = 172,987.08 : x - Step 2: Convert to fraction form
397,591.44/596,474.64 = 172,987.08/x - Step 3: Cross multiply
397,591.44x = 596,474.64 × 172,987.08 - Step 4: Simplify right side
397,591.44x = 103,182,406,267.65 - Step 5: Solve for x
x = 103,182,406,267.65/397,591.44 - Step 6: Final answer
x = 259,518.68
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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.