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Finding the Fourth Proportional to 381,496.60, 573,627.30 and 373,202.20

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Solution

The fourth proportional to 381,496.60, 573,627.30 and 373,202.20 is: 561,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,496.60 : 573,627.30 = 373,202.20 : x
  2. Step 2: Convert to fraction form
    381,496.60/573,627.30 = 373,202.20/x
  3. Step 3: Cross multiply
    381,496.60x = 573,627.30 × 373,202.20
  4. Step 4: Simplify right side
    381,496.60x = 214,078,970,340.06
  5. Step 5: Solve for x
    x = 214,078,970,340.06/381,496.60
  6. Step 6: Final answer
    x = 561,155.64

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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.