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Finding the Fourth Proportional to 297,928.60, 446,892.90 and 203,450.20

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Solution

The fourth proportional to 297,928.60, 446,892.90 and 203,450.20 is: 305,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,928.60 : 446,892.90 = 203,450.20 : x
  2. Step 2: Convert to fraction form
    297,928.60/446,892.90 = 203,450.20/x
  3. Step 3: Cross multiply
    297,928.60x = 446,892.90 × 203,450.20
  4. Step 4: Simplify right side
    297,928.60x = 90,920,449,883.58
  5. Step 5: Solve for x
    x = 90,920,449,883.58/297,928.60
  6. Step 6: Final answer
    x = 305,175.30

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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.