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Finding the Fourth Proportional to 474.17, 711.32 and 165.94

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Solution

The fourth proportional to 474.17, 711.32 and 165.94 is: 248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.17 : 711.32 = 165.94 : x
  2. Step 2: Convert to fraction form
    474.17/711.32 = 165.94/x
  3. Step 3: Cross multiply
    474.17x = 711.32 × 165.94
  4. Step 4: Simplify right side
    474.17x = 118,036.44
  5. Step 5: Solve for x
    x = 118,036.44/474.17
  6. Step 6: Final answer
    x = 248.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.