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Finding the Fourth Proportional to 667.02, 997.65 and 546.06

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Solution

The fourth proportional to 667.02, 997.65 and 546.06 is: 816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    667.02 : 997.65 = 546.06 : x
  2. Step 2: Convert to fraction form
    667.02/997.65 = 546.06/x
  3. Step 3: Cross multiply
    667.02x = 997.65 × 546.06
  4. Step 4: Simplify right side
    667.02x = 544,776.76
  5. Step 5: Solve for x
    x = 544,776.76/667.02
  6. Step 6: Final answer
    x = 816.73

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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.