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Finding the Fourth Proportional to 568,203, 784,284.11 and 335,845.19

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Solution

The fourth proportional to 568,203, 784,284.11 and 335,845.19 is: 463,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,203 : 784,284.11 = 335,845.19 : x
  2. Step 2: Convert to fraction form
    568,203/784,284.11 = 335,845.19/x
  3. Step 3: Cross multiply
    568,203x = 784,284.11 × 335,845.19
  4. Step 4: Simplify right side
    568,203x = 263,398,045,936.93
  5. Step 5: Solve for x
    x = 263,398,045,936.93/568,203
  6. Step 6: Final answer
    x = 463,563.28

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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.