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Finding the Fourth Proportional to 629,550.44, 868,757.54 and 343,064.68

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Solution

The fourth proportional to 629,550.44, 868,757.54 and 343,064.68 is: 473,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,550.44 : 868,757.54 = 343,064.68 : x
  2. Step 2: Convert to fraction form
    629,550.44/868,757.54 = 343,064.68/x
  3. Step 3: Cross multiply
    629,550.44x = 868,757.54 × 343,064.68
  4. Step 4: Simplify right side
    629,550.44x = 298,040,027,457.69
  5. Step 5: Solve for x
    x = 298,040,027,457.69/629,550.44
  6. Step 6: Final answer
    x = 473,417.23

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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.