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Finding the Fourth Proportional to 444,648.44, 613,613.58 and 243,443

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Solution

The fourth proportional to 444,648.44, 613,613.58 and 243,443 is: 335,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,648.44 : 613,613.58 = 243,443 : x
  2. Step 2: Convert to fraction form
    444,648.44/613,613.58 = 243,443/x
  3. Step 3: Cross multiply
    444,648.44x = 613,613.58 × 243,443
  4. Step 4: Simplify right side
    444,648.44x = 149,379,930,755.94
  5. Step 5: Solve for x
    x = 149,379,930,755.94/444,648.44
  6. Step 6: Final answer
    x = 335,950.65

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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.