Finding the Fourth Proportional to 296,878.65, 445,207.41 and 119,325.84
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Solution
The fourth proportional to 296,878.65, 445,207.41 and 119,325.84 is: 178,944.32
Step by Step Solution
- Step 1: Write the proportion equation
296,878.65 : 445,207.41 = 119,325.84 : x - Step 2: Convert to fraction form
296,878.65/445,207.41 = 119,325.84/x - Step 3: Cross multiply
296,878.65x = 445,207.41 × 119,325.84 - Step 4: Simplify right side
296,878.65x = 53,124,748,172.47 - Step 5: Solve for x
x = 53,124,748,172.47/296,878.65 - Step 6: Final answer
x = 178,944.32
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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.