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Finding the Fourth Proportional to 307, 460.14 and 169.98

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Solution

The fourth proportional to 307, 460.14 and 169.98 is: 254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307 : 460.14 = 169.98 : x
  2. Step 2: Convert to fraction form
    307/460.14 = 169.98/x
  3. Step 3: Cross multiply
    307x = 460.14 × 169.98
  4. Step 4: Simplify right side
    307x = 78,214.60
  5. Step 5: Solve for x
    x = 78,214.60/307
  6. Step 6: Final answer
    x = 254.77

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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.