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Finding the Fourth Proportional to 474.30, 710.96 and 166.04

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Solution

The fourth proportional to 474.30, 710.96 and 166.04 is: 248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.30 : 710.96 = 166.04 : x
  2. Step 2: Convert to fraction form
    474.30/710.96 = 166.04/x
  3. Step 3: Cross multiply
    474.30x = 710.96 × 166.04
  4. Step 4: Simplify right side
    474.30x = 118,047.80
  5. Step 5: Solve for x
    x = 118,047.80/474.30
  6. Step 6: Final answer
    x = 248.89

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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.