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Finding the Fourth Proportional to 297, 445.37 and 150.66

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Solution

The fourth proportional to 297, 445.37 and 150.66 is: 225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297 : 445.37 = 150.66 : x
  2. Step 2: Convert to fraction form
    297/445.37 = 150.66/x
  3. Step 3: Cross multiply
    297x = 445.37 × 150.66
  4. Step 4: Simplify right side
    297x = 67,098.69
  5. Step 5: Solve for x
    x = 67,098.69/297
  6. Step 6: Final answer
    x = 225.92

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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.