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Finding the Fourth Proportional to 294.40, 441.33 and 262

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Solution

The fourth proportional to 294.40, 441.33 and 262 is: 392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.40 : 441.33 = 262 : x
  2. Step 2: Convert to fraction form
    294.40/441.33 = 262/x
  3. Step 3: Cross multiply
    294.40x = 441.33 × 262
  4. Step 4: Simplify right side
    294.40x = 115,628.46
  5. Step 5: Solve for x
    x = 115,628.46/294.40
  6. Step 6: Final answer
    x = 392.76

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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.