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Finding the Fourth Proportional to 439.19, 606.02 and 262.10

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Solution

The fourth proportional to 439.19, 606.02 and 262.10 is: 361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.19 : 606.02 = 262.10 : x
  2. Step 2: Convert to fraction form
    439.19/606.02 = 262.10/x
  3. Step 3: Cross multiply
    439.19x = 606.02 × 262.10
  4. Step 4: Simplify right side
    439.19x = 158,833.50
  5. Step 5: Solve for x
    x = 158,833.50/439.19
  6. Step 6: Final answer
    x = 361.66

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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.