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Finding the Fourth Proportional to 350,517.20, 524,998.20 and 303,861.20

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Solution

The fourth proportional to 350,517.20, 524,998.20 and 303,861.20 is: 455,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,517.20 : 524,998.20 = 303,861.20 : x
  2. Step 2: Convert to fraction form
    350,517.20/524,998.20 = 303,861.20/x
  3. Step 3: Cross multiply
    350,517.20x = 524,998.20 × 303,861.20
  4. Step 4: Simplify right side
    350,517.20x = 159,526,583,049.84
  5. Step 5: Solve for x
    x = 159,526,583,049.84/350,517.20
  6. Step 6: Final answer
    x = 455,117.70

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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.