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Finding the Fourth Proportional to 548.10, 817.44 and 466.36

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Solution

The fourth proportional to 548.10, 817.44 and 466.36 is: 695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.10 : 817.44 = 466.36 : x
  2. Step 2: Convert to fraction form
    548.10/817.44 = 466.36/x
  3. Step 3: Cross multiply
    548.10x = 817.44 × 466.36
  4. Step 4: Simplify right side
    548.10x = 381,217.53
  5. Step 5: Solve for x
    x = 381,217.53/548.10
  6. Step 6: Final answer
    x = 695.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.