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Finding the Fourth Proportional to 516,960.56, 775,311.20 and 366,762.80

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Solution

The fourth proportional to 516,960.56, 775,311.20 and 366,762.80 is: 550,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,960.56 : 775,311.20 = 366,762.80 : x
  2. Step 2: Convert to fraction form
    516,960.56/775,311.20 = 366,762.80/x
  3. Step 3: Cross multiply
    516,960.56x = 775,311.20 × 366,762.80
  4. Step 4: Simplify right side
    516,960.56x = 284,355,306,583.36
  5. Step 5: Solve for x
    x = 284,355,306,583.36/516,960.56
  6. Step 6: Final answer
    x = 550,052.23

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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.