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Finding the Fourth Proportional to 439,305.92, 659,180.69 and 199,266.85

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Solution

The fourth proportional to 439,305.92, 659,180.69 and 199,266.85 is: 299,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,305.92 : 659,180.69 = 199,266.85 : x
  2. Step 2: Convert to fraction form
    439,305.92/659,180.69 = 199,266.85/x
  3. Step 3: Cross multiply
    439,305.92x = 659,180.69 × 199,266.85
  4. Step 4: Simplify right side
    439,305.92x = 131,352,855,384.89
  5. Step 5: Solve for x
    x = 131,352,855,384.89/439,305.92
  6. Step 6: Final answer
    x = 299,000.88

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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.