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Finding the Fourth Proportional to 314.00, 470.76 and 167.74

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Solution

The fourth proportional to 314.00, 470.76 and 167.74 is: 251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.00 : 470.76 = 167.74 : x
  2. Step 2: Convert to fraction form
    314.00/470.76 = 167.74/x
  3. Step 3: Cross multiply
    314.00x = 470.76 × 167.74
  4. Step 4: Simplify right side
    314.00x = 78,964.11
  5. Step 5: Solve for x
    x = 78,964.11/314.00
  6. Step 6: Final answer
    x = 251.48

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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.