Finding the Fourth Proportional to 336,526.12, 504,778.14 and 136,787.56
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Solution
The fourth proportional to 336,526.12, 504,778.14 and 136,787.56 is: 205,176.85
Step by Step Solution
- Step 1: Write the proportion equation
336,526.12 : 504,778.14 = 136,787.56 : x - Step 2: Convert to fraction form
336,526.12/504,778.14 = 136,787.56/x - Step 3: Cross multiply
336,526.12x = 504,778.14 × 136,787.56 - Step 4: Simplify right side
336,526.12x = 69,047,370,111.94 - Step 5: Solve for x
x = 69,047,370,111.94/336,526.12 - Step 6: Final answer
x = 205,176.85
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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.