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Finding the Fourth Proportional to 568.26, 784.08 and 335.34

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Solution

The fourth proportional to 568.26, 784.08 and 335.34 is: 462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.26 : 784.08 = 335.34 : x
  2. Step 2: Convert to fraction form
    568.26/784.08 = 335.34/x
  3. Step 3: Cross multiply
    568.26x = 784.08 × 335.34
  4. Step 4: Simplify right side
    568.26x = 262,933.39
  5. Step 5: Solve for x
    x = 262,933.39/568.26
  6. Step 6: Final answer
    x = 462.70

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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.