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Finding the Fourth Proportional to 481,250.33, 721,626.32 and 256,550.41

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Solution

The fourth proportional to 481,250.33, 721,626.32 and 256,550.41 is: 384,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,250.33 : 721,626.32 = 256,550.41 : x
  2. Step 2: Convert to fraction form
    481,250.33/721,626.32 = 256,550.41/x
  3. Step 3: Cross multiply
    481,250.33x = 721,626.32 × 256,550.41
  4. Step 4: Simplify right side
    481,250.33x = 185,133,524,303.96
  5. Step 5: Solve for x
    x = 185,133,524,303.96/481,250.33
  6. Step 6: Final answer
    x = 384,692.77

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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.