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Finding the Fourth Proportional to 314.99, 472.53 and 160.83

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Solution

The fourth proportional to 314.99, 472.53 and 160.83 is: 241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.99 : 472.53 = 160.83 : x
  2. Step 2: Convert to fraction form
    314.99/472.53 = 160.83/x
  3. Step 3: Cross multiply
    314.99x = 472.53 × 160.83
  4. Step 4: Simplify right side
    314.99x = 75,997.89
  5. Step 5: Solve for x
    x = 75,997.89/314.99
  6. Step 6: Final answer
    x = 241.27

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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.