Finding the Fourth Proportional to 293,132.70, 411,318.90 and 293,132.70
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Solution
The fourth proportional to 293,132.70, 411,318.90 and 293,132.70 is: 411,318.90
Step by Step Solution
- Step 1: Write the proportion equation
293,132.70 : 411,318.90 = 293,132.70 : x - Step 2: Convert to fraction form
293,132.70/411,318.90 = 293,132.70/x - Step 3: Cross multiply
293,132.70x = 411,318.90 × 293,132.70 - Step 4: Simplify right side
293,132.70x = 120,571,019,718.03 - Step 5: Solve for x
x = 120,571,019,718.03/293,132.70 - Step 6: Final answer
x = 411,318.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.