Finding the Fourth Proportional to 357,028.11, 535,544.00 and 120,372.84
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Solution
The fourth proportional to 357,028.11, 535,544.00 and 120,372.84 is: 180,559.88
Step by Step Solution
- Step 1: Write the proportion equation
357,028.11 : 535,544.00 = 120,372.84 : x - Step 2: Convert to fraction form
357,028.11/535,544.00 = 120,372.84/x - Step 3: Cross multiply
357,028.11x = 535,544.00 × 120,372.84 - Step 4: Simplify right side
357,028.11x = 64,464,951,623.10 - Step 5: Solve for x
x = 64,464,951,623.10/357,028.11 - Step 6: Final answer
x = 180,559.88
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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.