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Finding the Fourth Proportional to 525,082.80, 787,624.20 and 244,628.40

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Solution

The fourth proportional to 525,082.80, 787,624.20 and 244,628.40 is: 366,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,082.80 : 787,624.20 = 244,628.40 : x
  2. Step 2: Convert to fraction form
    525,082.80/787,624.20 = 244,628.40/x
  3. Step 3: Cross multiply
    525,082.80x = 787,624.20 × 244,628.40
  4. Step 4: Simplify right side
    525,082.80x = 192,675,247,847.28
  5. Step 5: Solve for x
    x = 192,675,247,847.28/525,082.80
  6. Step 6: Final answer
    x = 366,942.60

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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.