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Finding the Fourth Proportional to 330,851.97, 496,441.98 and 131,167.94

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Solution

The fourth proportional to 330,851.97, 496,441.98 and 131,167.94 is: 196,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,851.97 : 496,441.98 = 131,167.94 : x
  2. Step 2: Convert to fraction form
    330,851.97/496,441.98 = 131,167.94/x
  3. Step 3: Cross multiply
    330,851.97x = 496,441.98 × 131,167.94
  4. Step 4: Simplify right side
    330,851.97x = 65,117,269,363.91
  5. Step 5: Solve for x
    x = 65,117,269,363.91/330,851.97
  6. Step 6: Final answer
    x = 196,816.93

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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.