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Finding the Fourth Proportional to 314.70, 472.07 and 160.93

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Solution

The fourth proportional to 314.70, 472.07 and 160.93 is: 241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.70 : 472.07 = 160.93 : x
  2. Step 2: Convert to fraction form
    314.70/472.07 = 160.93/x
  3. Step 3: Cross multiply
    314.70x = 472.07 × 160.93
  4. Step 4: Simplify right side
    314.70x = 75,970.23
  5. Step 5: Solve for x
    x = 75,970.23/314.70
  6. Step 6: Final answer
    x = 241.41

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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.