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Finding the Fourth Proportional to 573.26, 854.36 and 568.46

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Solution

The fourth proportional to 573.26, 854.36 and 568.46 is: 847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.26 : 854.36 = 568.46 : x
  2. Step 2: Convert to fraction form
    573.26/854.36 = 568.46/x
  3. Step 3: Cross multiply
    573.26x = 854.36 × 568.46
  4. Step 4: Simplify right side
    573.26x = 485,669.49
  5. Step 5: Solve for x
    x = 485,669.49/573.26
  6. Step 6: Final answer
    x = 847.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.