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Finding the Fourth Proportional to 473.67, 710.50 and 165.53

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Solution

The fourth proportional to 473.67, 710.50 and 165.53 is: 248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.67 : 710.50 = 165.53 : x
  2. Step 2: Convert to fraction form
    473.67/710.50 = 165.53/x
  3. Step 3: Cross multiply
    473.67x = 710.50 × 165.53
  4. Step 4: Simplify right side
    473.67x = 117,609.07
  5. Step 5: Solve for x
    x = 117,609.07/473.67
  6. Step 6: Final answer
    x = 248.29

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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.