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Finding the Fourth Proportional to 267,029.60, 400,058.40 and 211,236.80

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Solution

The fourth proportional to 267,029.60, 400,058.40 and 211,236.80 is: 316,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,029.60 : 400,058.40 = 211,236.80 : x
  2. Step 2: Convert to fraction form
    267,029.60/400,058.40 = 211,236.80/x
  3. Step 3: Cross multiply
    267,029.60x = 400,058.40 × 211,236.80
  4. Step 4: Simplify right side
    267,029.60x = 84,507,056,229.12
  5. Step 5: Solve for x
    x = 84,507,056,229.12/267,029.60
  6. Step 6: Final answer
    x = 316,470.74

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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.