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Finding the Fourth Proportional to 239.84, 332.32 and 236.72

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Solution

The fourth proportional to 239.84, 332.32 and 236.72 is: 328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.84 : 332.32 = 236.72 : x
  2. Step 2: Convert to fraction form
    239.84/332.32 = 236.72/x
  3. Step 3: Cross multiply
    239.84x = 332.32 × 236.72
  4. Step 4: Simplify right side
    239.84x = 78,666.79
  5. Step 5: Solve for x
    x = 78,666.79/239.84
  6. Step 6: Final answer
    x = 328.00

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.