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Finding the Fourth Proportional to 490,652.20, 735,632.70 and 224,540.20

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Solution

The fourth proportional to 490,652.20, 735,632.70 and 224,540.20 is: 336,652.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,652.20 : 735,632.70 = 224,540.20 : x
  2. Step 2: Convert to fraction form
    490,652.20/735,632.70 = 224,540.20/x
  3. Step 3: Cross multiply
    490,652.20x = 735,632.70 × 224,540.20
  4. Step 4: Simplify right side
    490,652.20x = 165,179,113,584.54
  5. Step 5: Solve for x
    x = 165,179,113,584.54/490,652.20
  6. Step 6: Final answer
    x = 336,652.14

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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.