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Finding the Fourth Proportional to 568.37, 857.67 and 548.03

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Solution

The fourth proportional to 568.37, 857.67 and 548.03 is: 826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.37 : 857.67 = 548.03 : x
  2. Step 2: Convert to fraction form
    568.37/857.67 = 548.03/x
  3. Step 3: Cross multiply
    568.37x = 857.67 × 548.03
  4. Step 4: Simplify right side
    568.37x = 470,028.89
  5. Step 5: Solve for x
    x = 470,028.89/568.37
  6. Step 6: Final answer
    x = 826.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.