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Finding the Fourth Proportional to 562.67, 776.36 and 383.27

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Solution

The fourth proportional to 562.67, 776.36 and 383.27 is: 528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.67 : 776.36 = 383.27 : x
  2. Step 2: Convert to fraction form
    562.67/776.36 = 383.27/x
  3. Step 3: Cross multiply
    562.67x = 776.36 × 383.27
  4. Step 4: Simplify right side
    562.67x = 297,555.50
  5. Step 5: Solve for x
    x = 297,555.50/562.67
  6. Step 6: Final answer
    x = 528.83

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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.