Finding the Fourth Proportional to 328,644.84, 492,929.18 and 92,006.44
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Solution
The fourth proportional to 328,644.84, 492,929.18 and 92,006.44 is: 137,999.00
Step by Step Solution
- Step 1: Write the proportion equation
328,644.84 : 492,929.18 = 92,006.44 : x - Step 2: Convert to fraction form
328,644.84/492,929.18 = 92,006.44/x - Step 3: Cross multiply
328,644.84x = 492,929.18 × 92,006.44 - Step 4: Simplify right side
328,644.84x = 45,352,659,023.92 - Step 5: Solve for x
x = 45,352,659,023.92/328,644.84 - Step 6: Final answer
x = 137,999.00
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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.