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Finding the Fourth Proportional to 494,776.76, 682,793.22 and 268,422.26

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Solution

The fourth proportional to 494,776.76, 682,793.22 and 268,422.26 is: 370,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,776.76 : 682,793.22 = 268,422.26 : x
  2. Step 2: Convert to fraction form
    494,776.76/682,793.22 = 268,422.26/x
  3. Step 3: Cross multiply
    494,776.76x = 682,793.22 × 268,422.26
  4. Step 4: Simplify right side
    494,776.76x = 183,276,895,811.11
  5. Step 5: Solve for x
    x = 183,276,895,811.11/494,776.76
  6. Step 6: Final answer
    x = 370,423.42

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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.