Finding the Fourth Proportional to 432,882.67, 649,395.02 and 133,356.55
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Solution
The fourth proportional to 432,882.67, 649,395.02 and 133,356.55 is: 200,056.70
Step by Step Solution
- Step 1: Write the proportion equation
432,882.67 : 649,395.02 = 133,356.55 : x - Step 2: Convert to fraction form
432,882.67/649,395.02 = 133,356.55/x - Step 3: Cross multiply
432,882.67x = 649,395.02 × 133,356.55 - Step 4: Simplify right side
432,882.67x = 86,601,079,454.38 - Step 5: Solve for x
x = 86,601,079,454.38/432,882.67 - Step 6: Final answer
x = 200,056.70
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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.