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Finding the Fourth Proportional to 604.24, 905.88 and 262

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Solution

The fourth proportional to 604.24, 905.88 and 262 is: 392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.24 : 905.88 = 262 : x
  2. Step 2: Convert to fraction form
    604.24/905.88 = 262/x
  3. Step 3: Cross multiply
    604.24x = 905.88 × 262
  4. Step 4: Simplify right side
    604.24x = 237,340.56
  5. Step 5: Solve for x
    x = 237,340.56/604.24
  6. Step 6: Final answer
    x = 392.79

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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.