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Finding the Fourth Proportional to 409.09, 564.50 and 232.07

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Solution

The fourth proportional to 409.09, 564.50 and 232.07 is: 320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    409.09 : 564.50 = 232.07 : x
  2. Step 2: Convert to fraction form
    409.09/564.50 = 232.07/x
  3. Step 3: Cross multiply
    409.09x = 564.50 × 232.07
  4. Step 4: Simplify right side
    409.09x = 131,004.20
  5. Step 5: Solve for x
    x = 131,004.20/409.09
  6. Step 6: Final answer
    x = 320.23

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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.