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Finding the Fourth Proportional to 568,162, 784,032.68 and 313,463.44

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Solution

The fourth proportional to 568,162, 784,032.68 and 313,463.44 is: 432,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,162 : 784,032.68 = 313,463.44 : x
  2. Step 2: Convert to fraction form
    568,162/784,032.68 = 313,463.44/x
  3. Step 3: Cross multiply
    568,162x = 784,032.68 × 313,463.44
  4. Step 4: Simplify right side
    568,162x = 245,765,580,945.22
  5. Step 5: Solve for x
    x = 245,765,580,945.22/568,162
  6. Step 6: Final answer
    x = 432,562.51

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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.