Finding the Fourth Proportional to 305,924.64, 458,368.75 and 187,348.23
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Solution
The fourth proportional to 305,924.64, 458,368.75 and 187,348.23 is: 280,704.99
Step by Step Solution
- Step 1: Write the proportion equation
305,924.64 : 458,368.75 = 187,348.23 : x - Step 2: Convert to fraction form
305,924.64/458,368.75 = 187,348.23/x - Step 3: Cross multiply
305,924.64x = 458,368.75 × 187,348.23 - Step 4: Simplify right side
305,924.64x = 85,874,573,999.81 - Step 5: Solve for x
x = 85,874,573,999.81/305,924.64 - Step 6: Final answer
x = 280,704.99
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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.