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Finding the Fourth Proportional to 568.44, 852.81 and 260.04

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Solution

The fourth proportional to 568.44, 852.81 and 260.04 is: 390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.44 : 852.81 = 260.04 : x
  2. Step 2: Convert to fraction form
    568.44/852.81 = 260.04/x
  3. Step 3: Cross multiply
    568.44x = 852.81 × 260.04
  4. Step 4: Simplify right side
    568.44x = 221,764.71
  5. Step 5: Solve for x
    x = 221,764.71/568.44
  6. Step 6: Final answer
    x = 390.13

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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.