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Finding the Fourth Proportional to 568.48, 784.26 and 335.56

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Solution

The fourth proportional to 568.48, 784.26 and 335.56 is: 462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.48 : 784.26 = 335.56 : x
  2. Step 2: Convert to fraction form
    568.48/784.26 = 335.56/x
  3. Step 3: Cross multiply
    568.48x = 784.26 × 335.56
  4. Step 4: Simplify right side
    568.48x = 263,166.29
  5. Step 5: Solve for x
    x = 263,166.29/568.48
  6. Step 6: Final answer
    x = 462.93

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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.