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Finding the Fourth Proportional to 496,343.70, 744,515.55 and 441,231.30

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Solution

The fourth proportional to 496,343.70, 744,515.55 and 441,231.30 is: 661,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,343.70 : 744,515.55 = 441,231.30 : x
  2. Step 2: Convert to fraction form
    496,343.70/744,515.55 = 441,231.30/x
  3. Step 3: Cross multiply
    496,343.70x = 744,515.55 × 441,231.30
  4. Step 4: Simplify right side
    496,343.70x = 328,503,563,996.72
  5. Step 5: Solve for x
    x = 328,503,563,996.72/496,343.70
  6. Step 6: Final answer
    x = 661,846.95

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Similar ratio
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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.