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Finding the Fourth Proportional to 490,636.20, 735,735.60 and 224,259.60

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Solution

The fourth proportional to 490,636.20, 735,735.60 and 224,259.60 is: 336,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,636.20 : 735,735.60 = 224,259.60 : x
  2. Step 2: Convert to fraction form
    490,636.20/735,735.60 = 224,259.60/x
  3. Step 3: Cross multiply
    490,636.20x = 735,735.60 × 224,259.60
  4. Step 4: Simplify right side
    490,636.20x = 164,995,771,361.76
  5. Step 5: Solve for x
    x = 164,995,771,361.76/490,636.20
  6. Step 6: Final answer
    x = 336,289.44

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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.