Finding the Fourth Proportional to 605,813.76, 836,023.68 and 351,312.84
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Solution
The fourth proportional to 605,813.76, 836,023.68 and 351,312.84 is: 484,812.12
Step by Step Solution
- Step 1: Write the proportion equation
605,813.76 : 836,023.68 = 351,312.84 : x - Step 2: Convert to fraction form
605,813.76/836,023.68 = 351,312.84/x - Step 3: Cross multiply
605,813.76x = 836,023.68 × 351,312.84 - Step 4: Simplify right side
605,813.76x = 293,705,853,328.05 - Step 5: Solve for x
x = 293,705,853,328.05/605,813.76 - Step 6: Final answer
x = 484,812.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.