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Finding the Fourth Proportional to 446,028.60, 667,098.90 and 398,983.80

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Solution

The fourth proportional to 446,028.60, 667,098.90 and 398,983.80 is: 596,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,028.60 : 667,098.90 = 398,983.80 : x
  2. Step 2: Convert to fraction form
    446,028.60/667,098.90 = 398,983.80/x
  3. Step 3: Cross multiply
    446,028.60x = 667,098.90 × 398,983.80
  4. Step 4: Simplify right side
    446,028.60x = 266,161,654,097.82
  5. Step 5: Solve for x
    x = 266,161,654,097.82/446,028.60
  6. Step 6: Final answer
    x = 596,736.74

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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.