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Finding the Fourth Proportional to 568.32, 852.63 and 276.11

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Solution

The fourth proportional to 568.32, 852.63 and 276.11 is: 414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.32 : 852.63 = 276.11 : x
  2. Step 2: Convert to fraction form
    568.32/852.63 = 276.11/x
  3. Step 3: Cross multiply
    568.32x = 852.63 × 276.11
  4. Step 4: Simplify right side
    568.32x = 235,417.57
  5. Step 5: Solve for x
    x = 235,417.57/568.32
  6. Step 6: Final answer
    x = 414.24

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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.