Finding the Fourth Proportional to 463,411.11, 694,678.38 and 349,381.99
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Solution
The fourth proportional to 463,411.11, 694,678.38 and 349,381.99 is: 523,742.54
Step by Step Solution
- Step 1: Write the proportion equation
463,411.11 : 694,678.38 = 349,381.99 : x - Step 2: Convert to fraction form
463,411.11/694,678.38 = 349,381.99/x - Step 3: Cross multiply
463,411.11x = 694,678.38 × 349,381.99 - Step 4: Simplify right side
463,411.11x = 242,708,111,767.50 - Step 5: Solve for x
x = 242,708,111,767.50/463,411.11 - Step 6: Final answer
x = 523,742.54
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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.