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Finding the Fourth Proportional to 473.87, 710.81 and 165.94

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Solution

The fourth proportional to 473.87, 710.81 and 165.94 is: 248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.87 : 710.81 = 165.94 : x
  2. Step 2: Convert to fraction form
    473.87/710.81 = 165.94/x
  3. Step 3: Cross multiply
    473.87x = 710.81 × 165.94
  4. Step 4: Simplify right side
    473.87x = 117,951.81
  5. Step 5: Solve for x
    x = 117,951.81/473.87
  6. Step 6: Final answer
    x = 248.91

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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.