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Finding the Fourth Proportional to 836,379.88, 1,254,461.83 and 267,713.40

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Solution

The fourth proportional to 836,379.88, 1,254,461.83 and 267,713.40 is: 401,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,379.88 : 1,254,461.83 = 267,713.40 : x
  2. Step 2: Convert to fraction form
    836,379.88/1,254,461.83 = 267,713.40/x
  3. Step 3: Cross multiply
    836,379.88x = 1,254,461.83 × 267,713.40
  4. Step 4: Simplify right side
    836,379.88x = 335,836,247,220.36
  5. Step 5: Solve for x
    x = 335,836,247,220.36/836,379.88
  6. Step 6: Final answer
    x = 401,535.54

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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.