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Finding the Fourth Proportional to 588.05, 883.21 and 564.39

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Solution

The fourth proportional to 588.05, 883.21 and 564.39 is: 847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.05 : 883.21 = 564.39 : x
  2. Step 2: Convert to fraction form
    588.05/883.21 = 564.39/x
  3. Step 3: Cross multiply
    588.05x = 883.21 × 564.39
  4. Step 4: Simplify right side
    588.05x = 498,474.89
  5. Step 5: Solve for x
    x = 498,474.89/588.05
  6. Step 6: Final answer
    x = 847.67

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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.