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Finding the Fourth Proportional to 564.76, 847.40 and 562.04

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Solution

The fourth proportional to 564.76, 847.40 and 562.04 is: 843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.76 : 847.40 = 562.04 : x
  2. Step 2: Convert to fraction form
    564.76/847.40 = 562.04/x
  3. Step 3: Cross multiply
    564.76x = 847.40 × 562.04
  4. Step 4: Simplify right side
    564.76x = 476,272.70
  5. Step 5: Solve for x
    x = 476,272.70/564.76
  6. Step 6: Final answer
    x = 843.32

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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.