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Finding the Fourth Proportional to 568,363.37, 784,337.19 and 313,714.49

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Solution

The fourth proportional to 568,363.37, 784,337.19 and 313,714.49 is: 432,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,363.37 : 784,337.19 = 313,714.49 : x
  2. Step 2: Convert to fraction form
    568,363.37/784,337.19 = 313,714.49/x
  3. Step 3: Cross multiply
    568,363.37x = 784,337.19 × 313,714.49
  4. Step 4: Simplify right side
    568,363.37x = 246,057,941,548.88
  5. Step 5: Solve for x
    x = 246,057,941,548.88/568,363.37
  6. Step 6: Final answer
    x = 432,923.64

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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.