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Finding the Fourth Proportional to 267,809.60, 401,714.40 and 80,796.80

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Solution

The fourth proportional to 267,809.60, 401,714.40 and 80,796.80 is: 121,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,809.60 : 401,714.40 = 80,796.80 : x
  2. Step 2: Convert to fraction form
    267,809.60/401,714.40 = 80,796.80/x
  3. Step 3: Cross multiply
    267,809.60x = 401,714.40 × 80,796.80
  4. Step 4: Simplify right side
    267,809.60x = 32,457,238,033.92
  5. Step 5: Solve for x
    x = 32,457,238,033.92/267,809.60
  6. Step 6: Final answer
    x = 121,195.20

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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.