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Finding the Fourth Proportional to 417.84, 576.52 and 262.48

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Solution

The fourth proportional to 417.84, 576.52 and 262.48 is: 362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.84 : 576.52 = 262.48 : x
  2. Step 2: Convert to fraction form
    417.84/576.52 = 262.48/x
  3. Step 3: Cross multiply
    417.84x = 576.52 × 262.48
  4. Step 4: Simplify right side
    417.84x = 151,324.97
  5. Step 5: Solve for x
    x = 151,324.97/417.84
  6. Step 6: Final answer
    x = 362.16

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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.