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Finding the Fourth Proportional to 410,551.20, 616,287.60 and 317,469.60

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Solution

The fourth proportional to 410,551.20, 616,287.60 and 317,469.60 is: 476,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,551.20 : 616,287.60 = 317,469.60 : x
  2. Step 2: Convert to fraction form
    410,551.20/616,287.60 = 317,469.60/x
  3. Step 3: Cross multiply
    410,551.20x = 616,287.60 × 317,469.60
  4. Step 4: Simplify right side
    410,551.20x = 195,652,577,856.96
  5. Step 5: Solve for x
    x = 195,652,577,856.96/410,551.20
  6. Step 6: Final answer
    x = 476,560.73

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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.