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Finding the Fourth Proportional to 573.38, 860.88 and 563.66

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Solution

The fourth proportional to 573.38, 860.88 and 563.66 is: 846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.38 : 860.88 = 563.66 : x
  2. Step 2: Convert to fraction form
    573.38/860.88 = 563.66/x
  3. Step 3: Cross multiply
    573.38x = 860.88 × 563.66
  4. Step 4: Simplify right side
    573.38x = 485,243.62
  5. Step 5: Solve for x
    x = 485,243.62/573.38
  6. Step 6: Final answer
    x = 846.29

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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.