Finding the Fourth Proportional to 376,175.15, 564,305.52 and 136,401.99
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Solution
The fourth proportional to 376,175.15, 564,305.52 and 136,401.99 is: 204,618.50
Step by Step Solution
- Step 1: Write the proportion equation
376,175.15 : 564,305.52 = 136,401.99 : x - Step 2: Convert to fraction form
376,175.15/564,305.52 = 136,401.99/x - Step 3: Cross multiply
376,175.15x = 564,305.52 × 136,401.99 - Step 4: Simplify right side
376,175.15x = 76,972,395,895.98 - Step 5: Solve for x
x = 76,972,395,895.98/376,175.15 - Step 6: Final answer
x = 204,618.50
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1.5x scale
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.