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Finding the Fourth Proportional to 488.01, 673.46 and 266.96

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Solution

The fourth proportional to 488.01, 673.46 and 266.96 is: 368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.01 : 673.46 = 266.96 : x
  2. Step 2: Convert to fraction form
    488.01/673.46 = 266.96/x
  3. Step 3: Cross multiply
    488.01x = 673.46 × 266.96
  4. Step 4: Simplify right side
    488.01x = 179,787.23
  5. Step 5: Solve for x
    x = 179,787.23/488.01
  6. Step 6: Final answer
    x = 368.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.