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Finding the Fourth Proportional to 474.16, 711.56 and 166.01

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Solution

The fourth proportional to 474.16, 711.56 and 166.01 is: 249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.16 : 711.56 = 166.01 : x
  2. Step 2: Convert to fraction form
    474.16/711.56 = 166.01/x
  3. Step 3: Cross multiply
    474.16x = 711.56 × 166.01
  4. Step 4: Simplify right side
    474.16x = 118,121.69
  5. Step 5: Solve for x
    x = 118,121.69/474.16
  6. Step 6: Final answer
    x = 249.12

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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.