Finding the Fourth Proportional to 281,681.84, 422,238.44 and 176,574.62
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Solution
The fourth proportional to 281,681.84, 422,238.44 and 176,574.62 is: 264,683.70
Step by Step Solution
- Step 1: Write the proportion equation
281,681.84 : 422,238.44 = 176,574.62 : x - Step 2: Convert to fraction form
281,681.84/422,238.44 = 176,574.62/x - Step 3: Cross multiply
281,681.84x = 422,238.44 × 176,574.62 - Step 4: Simplify right side
281,681.84x = 74,556,592,092.39 - Step 5: Solve for x
x = 74,556,592,092.39/281,681.84 - Step 6: Final answer
x = 264,683.70
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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.