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Finding the Fourth Proportional to 262,125.90, 361,493.70 and 194,311.80

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Solution

The fourth proportional to 262,125.90, 361,493.70 and 194,311.80 is: 267,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,125.90 : 361,493.70 = 194,311.80 : x
  2. Step 2: Convert to fraction form
    262,125.90/361,493.70 = 194,311.80/x
  3. Step 3: Cross multiply
    262,125.90x = 361,493.70 × 194,311.80
  4. Step 4: Simplify right side
    262,125.90x = 70,242,491,535.66
  5. Step 5: Solve for x
    x = 70,242,491,535.66/262,125.90
  6. Step 6: Final answer
    x = 267,972.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.