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Finding the Fourth Proportional to 568,334.12, 784,245.24 and 313,668.90

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Solution

The fourth proportional to 568,334.12, 784,245.24 and 313,668.90 is: 432,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,334.12 : 784,245.24 = 313,668.90 : x
  2. Step 2: Convert to fraction form
    568,334.12/784,245.24 = 313,668.90/x
  3. Step 3: Cross multiply
    568,334.12x = 784,245.24 × 313,668.90
  4. Step 4: Simplify right side
    568,334.12x = 245,993,341,761.04
  5. Step 5: Solve for x
    x = 245,993,341,761.04/568,334.12
  6. Step 6: Final answer
    x = 432,832.26

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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.