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Finding the Fourth Proportional to 475.96, 656.77 and 266.10

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Solution

The fourth proportional to 475.96, 656.77 and 266.10 is: 367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.96 : 656.77 = 266.10 : x
  2. Step 2: Convert to fraction form
    475.96/656.77 = 266.10/x
  3. Step 3: Cross multiply
    475.96x = 656.77 × 266.10
  4. Step 4: Simplify right side
    475.96x = 174,766.50
  5. Step 5: Solve for x
    x = 174,766.50/475.96
  6. Step 6: Final answer
    x = 367.19

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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.