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Finding the Fourth Proportional to 568.48, 852.92 and 260.48

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Solution

The fourth proportional to 568.48, 852.92 and 260.48 is: 390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.48 : 852.92 = 260.48 : x
  2. Step 2: Convert to fraction form
    568.48/852.92 = 260.48/x
  3. Step 3: Cross multiply
    568.48x = 852.92 × 260.48
  4. Step 4: Simplify right side
    568.48x = 222,168.60
  5. Step 5: Solve for x
    x = 222,168.60/568.48
  6. Step 6: Final answer
    x = 390.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.