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Finding the Fourth Proportional to 314.83, 472.09 and 160.73

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Solution

The fourth proportional to 314.83, 472.09 and 160.73 is: 241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.83 : 472.09 = 160.73 : x
  2. Step 2: Convert to fraction form
    314.83/472.09 = 160.73/x
  3. Step 3: Cross multiply
    314.83x = 472.09 × 160.73
  4. Step 4: Simplify right side
    314.83x = 75,875.86
  5. Step 5: Solve for x
    x = 75,875.86/314.83
  6. Step 6: Final answer
    x = 241.01

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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.